./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:17:18,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:17:18,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 05:17:18,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:17:18,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:17:18,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:17:18,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:17:18,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:17:18,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:17:18,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:17:18,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:17:18,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:17:18,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:17:18,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:17:18,862 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:17:18,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:17:18,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:17:18,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 05:17:18,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 05:17:18,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 05:17:18,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:17:18,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:17:18,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:17:18,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:17:18,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:17:18,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 05:17:18,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:17:18,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:17:18,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:17:18,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:17:18,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:17:18,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:17:18,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:17:18,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:17:18,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:17:18,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:17:18,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 05:17:18,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 05:17:18,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:17:18,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:17:18,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:17:18,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:17:18,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2024-10-14 05:17:19,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:17:19,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:17:19,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:17:19,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:17:19,147 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:17:19,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:20,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:17:20,881 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:17:20,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:20,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/282309e03/c1b59ffe922740cc8f18ab2c70f59f8e/FLAG5488c919a [2024-10-14 05:17:20,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/282309e03/c1b59ffe922740cc8f18ab2c70f59f8e [2024-10-14 05:17:20,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:17:20,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:17:20,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:17:20,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:17:20,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:17:20,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:20" (1/1) ... [2024-10-14 05:17:20,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d498666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:20, skipping insertion in model container [2024-10-14 05:17:20,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:20" (1/1) ... [2024-10-14 05:17:20,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:17:21,113 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-10-14 05:17:21,121 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-10-14 05:17:21,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:17:21,174 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:17:21,191 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-10-14 05:17:21,193 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-10-14 05:17:21,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:17:21,248 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:17:21,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21 WrapperNode [2024-10-14 05:17:21,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:17:21,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:17:21,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:17:21,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:17:21,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,304 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2024-10-14 05:17:21,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:17:21,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:17:21,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:17:21,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:17:21,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,351 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 05:17:21,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:17:21,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:17:21,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:17:21,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:17:21,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (1/1) ... [2024-10-14 05:17:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:17:21,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:17:21,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 05:17:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 05:17:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:17:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-10-14 05:17:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-10-14 05:17:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-10-14 05:17:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-10-14 05:17:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 05:17:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:17:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:17:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 05:17:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 05:17:21,576 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:17:21,578 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:17:21,896 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-10-14 05:17:21,896 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:17:21,934 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:17:21,934 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 05:17:21,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:21 BoogieIcfgContainer [2024-10-14 05:17:21,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:17:21,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:17:21,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:17:21,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:17:21,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:17:20" (1/3) ... [2024-10-14 05:17:21,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1dece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:21, skipping insertion in model container [2024-10-14 05:17:21,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:21" (2/3) ... [2024-10-14 05:17:21,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1dece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:21, skipping insertion in model container [2024-10-14 05:17:21,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:21" (3/3) ... [2024-10-14 05:17:21,945 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:21,966 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:17:21,966 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 05:17:22,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:17:22,029 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;@25013557, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:17:22,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 05:17:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 69 states have internal predecessors, (104), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 05:17:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 05:17:22,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:17:22,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 05:17:22,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:17:22,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:17:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash 202174098, now seen corresponding path program 1 times [2024-10-14 05:17:22,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:17:22,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075456046] [2024-10-14 05:17:22,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:17:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:17:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:17:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:17:22,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:17:22,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075456046] [2024-10-14 05:17:22,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075456046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:17:22,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:17:22,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 05:17:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429016473] [2024-10-14 05:17:22,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:17:22,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 05:17:22,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:17:22,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 05:17:22,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:17:22,229 INFO L87 Difference]: Start difference. First operand has 81 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 69 states have internal predecessors, (104), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:17:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:17:22,274 INFO L93 Difference]: Finished difference Result 158 states and 241 transitions. [2024-10-14 05:17:22,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 05:17:22,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 05:17:22,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:17:22,284 INFO L225 Difference]: With dead ends: 158 [2024-10-14 05:17:22,284 INFO L226 Difference]: Without dead ends: 77 [2024-10-14 05:17:22,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:17:22,291 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:17:22,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:17:22,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-14 05:17:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-14 05:17:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 64 states have (on average 1.40625) internal successors, (90), 66 states have internal predecessors, (90), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:17:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2024-10-14 05:17:22,329 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 6 [2024-10-14 05:17:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:17:22,329 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2024-10-14 05:17:22,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:17:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-10-14 05:17:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 05:17:22,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:17:22,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 05:17:22,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 05:17:22,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:17:22,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:17:22,332 INFO L85 PathProgramCache]: Analyzing trace with hash 202233680, now seen corresponding path program 1 times [2024-10-14 05:17:22,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:17:22,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769544909] [2024-10-14 05:17:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:17:22,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:17:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:17:22,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 05:17:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:17:22,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 05:17:22,391 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 05:17:22,393 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-14 05:17:22,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-14 05:17:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 05:17:22,400 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 05:17:22,414 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 05:17:22,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:17:22 BoogieIcfgContainer [2024-10-14 05:17:22,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 05:17:22,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 05:17:22,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 05:17:22,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 05:17:22,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:21" (3/4) ... [2024-10-14 05:17:22,425 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 05:17:22,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 05:17:22,427 INFO L158 Benchmark]: Toolchain (without parser) took 1521.06ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 98.8MB in the beginning and 139.6MB in the end (delta: -40.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-14 05:17:22,427 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:17:22,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.03ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 05:17:22,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.49ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 81.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:17:22,429 INFO L158 Benchmark]: Boogie Preprocessor took 72.79ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 05:17:22,430 INFO L158 Benchmark]: RCFGBuilder took 554.89ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 78.9MB in the beginning and 166.8MB in the end (delta: -87.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-14 05:17:22,431 INFO L158 Benchmark]: TraceAbstraction took 482.37ms. Allocated memory is still 211.8MB. Free memory was 165.8MB in the beginning and 139.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 05:17:22,431 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 211.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:17:22,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.03ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.49ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 81.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.79ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 554.89ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 78.9MB in the beginning and 166.8MB in the end (delta: -87.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 482.37ms. Allocated memory is still 211.8MB. Free memory was 165.8MB in the beginning and 139.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 211.8MB. Free memory is still 139.6MB. 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: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.398f) [L48] reach_error() - UnprovableResult [Line: 61]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 104 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 05:17:22,468 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:17:24,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:17:24,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 05:17:24,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:17:24,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:17:24,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:17:24,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:17:24,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:17:24,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:17:24,821 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:17:24,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:17:24,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:17:24,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:17:24,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:17:24,822 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:17:24,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:17:24,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:17:24,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 05:17:24,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 05:17:24,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:17:24,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:17:24,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:17:24,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:17:24,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 05:17:24,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 05:17:24,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:17:24,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 05:17:24,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 05:17:24,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:17:24,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:17:24,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:17:24,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:17:24,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:17:24,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:17:24,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:17:24,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:17:24,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:17:24,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:17:24,836 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 05:17:24,836 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 05:17:24,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:17:24,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:17:24,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:17:24,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:17:24,837 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 05:17:24,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2024-10-14 05:17:25,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:17:25,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:17:25,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:17:25,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:17:25,176 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:17:25,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:26,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:17:27,104 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:17:27,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:27,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c418c36/859d3a6e7582404fa05cb8f295f71b49/FLAG041ced405 [2024-10-14 05:17:27,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c418c36/859d3a6e7582404fa05cb8f295f71b49 [2024-10-14 05:17:27,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:17:27,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:17:27,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:17:27,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:17:27,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:17:27,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5260dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27, skipping insertion in model container [2024-10-14 05:17:27,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:17:27,683 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-10-14 05:17:27,690 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-10-14 05:17:27,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:17:27,744 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:17:27,766 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-10-14 05:17:27,768 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-10-14 05:17:27,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:17:27,835 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:17:27,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27 WrapperNode [2024-10-14 05:17:27,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:17:27,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:17:27,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:17:27,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:17:27,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,875 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-10-14 05:17:27,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:17:27,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:17:27,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:17:27,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:17:27,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,893 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,917 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 05:17:27,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:17:27,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:17:27,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:17:27,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:17:27,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (1/1) ... [2024-10-14 05:17:27,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:17:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:17:27,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 05:17:27,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 05:17:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:17:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 05:17:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-10-14 05:17:28,029 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-10-14 05:17:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-10-14 05:17:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-10-14 05:17:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:17:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:17:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 05:17:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 05:17:28,104 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:17:28,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:17:32,827 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-10-14 05:17:32,827 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:17:32,853 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:17:32,853 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 05:17:32,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:32 BoogieIcfgContainer [2024-10-14 05:17:32,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:17:32,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:17:32,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:17:32,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:17:32,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:17:27" (1/3) ... [2024-10-14 05:17:32,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1035e56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:32, skipping insertion in model container [2024-10-14 05:17:32,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:17:27" (2/3) ... [2024-10-14 05:17:32,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1035e56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:17:32, skipping insertion in model container [2024-10-14 05:17:32,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:32" (3/3) ... [2024-10-14 05:17:32,864 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2+soft_float_4-2a.c.cil.c [2024-10-14 05:17:32,889 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:17:32,889 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 05:17:32,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:17:32,962 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;@6244d292, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:17:32,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 05:17:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 43 states have (on average 1.558139534883721) internal successors, (67), 45 states have internal predecessors, (67), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 05:17:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 05:17:32,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:17:32,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 05:17:32,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:17:32,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:17:32,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2097064236, now seen corresponding path program 1 times [2024-10-14 05:17:32,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:17:32,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852273053] [2024-10-14 05:17:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:17:32,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 05:17:32,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:17:32,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 05:17:33,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 05:17:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:17:33,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 05:17:33,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 05:17:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:17:33,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 05:17:33,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 05:17:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852273053] [2024-10-14 05:17:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852273053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:17:33,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:17:33,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 05:17:33,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440862638] [2024-10-14 05:17:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:17:33,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 05:17:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 05:17:33,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 05:17:33,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:17:33,424 INFO L87 Difference]: Start difference. First operand has 57 states, 43 states have (on average 1.558139534883721) internal successors, (67), 45 states have internal predecessors, (67), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:17:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:17:33,511 INFO L93 Difference]: Finished difference Result 110 states and 167 transitions. [2024-10-14 05:17:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 05:17:33,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 05:17:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:17:33,520 INFO L225 Difference]: With dead ends: 110 [2024-10-14 05:17:33,520 INFO L226 Difference]: Without dead ends: 53 [2024-10-14 05:17:33,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:17:33,528 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:17:33,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:17:33,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-14 05:17:33,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-14 05:17:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.375) internal successors, (55), 42 states have internal predecessors, (55), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:17:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2024-10-14 05:17:33,567 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 6 [2024-10-14 05:17:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:17:33,568 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2024-10-14 05:17:33,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:17:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2024-10-14 05:17:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 05:17:33,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:17:33,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 05:17:33,583 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 [2024-10-14 05:17:33,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 05:17:33,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:17:33,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:17:33,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2097123818, now seen corresponding path program 1 times [2024-10-14 05:17:33,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:17:33,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852304512] [2024-10-14 05:17:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:17:33,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 05:17:33,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:17:33,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 05:17:33,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 05:17:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:17:48,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 05:18:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:18:42,396 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 05:18:42,396 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 05:18:42,398 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-14 05:18:42,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-14 05:18:42,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 05:18:42,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 05:18:42,603 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 05:18:42,621 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 05:18:42,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:18:42 BoogieIcfgContainer [2024-10-14 05:18:42,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 05:18:42,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 05:18:42,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 05:18:42,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 05:18:42,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:17:32" (3/4) ... [2024-10-14 05:18:42,630 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-14 05:18:42,683 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 05:18:42,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 05:18:42,684 INFO L158 Benchmark]: Toolchain (without parser) took 75218.12ms. Allocated memory is still 67.1MB. Free memory was 37.5MB in the beginning and 44.3MB in the end (delta: -6.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,684 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:18:42,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.25ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 46.7MB in the end (delta: -9.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.84ms. Allocated memory is still 67.1MB. Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,687 INFO L158 Benchmark]: Boogie Preprocessor took 74.12ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 42.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,687 INFO L158 Benchmark]: RCFGBuilder took 4902.78ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 23.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,688 INFO L158 Benchmark]: TraceAbstraction took 69770.87ms. Allocated memory is still 67.1MB. Free memory was 22.8MB in the beginning and 22.0MB in the end (delta: 799.3kB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,691 INFO L158 Benchmark]: Witness Printer took 55.61ms. Allocated memory is still 67.1MB. Free memory was 22.0MB in the beginning and 44.3MB in the end (delta: -22.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 05:18:42,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.25ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 46.7MB in the end (delta: -9.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.84ms. Allocated memory is still 67.1MB. Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.12ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 42.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4902.78ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 23.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 69770.87ms. Allocated memory is still 67.1MB. Free memory was 22.8MB in the beginning and 22.0MB in the end (delta: 799.3kB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. * Witness Printer took 55.61ms. Allocated memory is still 67.1MB. Free memory was 22.0MB in the beginning and 44.3MB in the end (delta: -22.3MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.398369312286377] [L47] COND TRUE !(result >= 0.0f && result < 1.398f) [L48] reach_error() - UnprovableResult [Line: 61]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 69.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 15.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-14 05:18:42,755 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE