/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:04:32,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:04:32,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:04:32,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-31 00:04:32,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:04:32,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:04:32,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:04:32,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:04:32,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:04:32,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:04:32,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:04:32,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:04:32,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:04:32,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:04:32,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:04:32,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:04:32,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 00:04:32,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:04:32,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:04:32,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:04:32,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:04:32,383 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:04:32,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:04:32,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:04:32,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:04:32,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:04:32,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:04:32,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:04:32,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:04:32,385 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:04:32,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:04:32,385 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:04:32,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:04:32,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:04:32,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:04:32,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:04:32,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:04:32,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:04:32,388 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:04:32,388 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:04:32,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:04:32,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:04:32,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:04:32,602 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:04:32,603 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:04:32,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-03-31 00:04:33,836 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:04:34,016 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:04:34,016 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-03-31 00:04:34,021 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b9eedca/52412fa89edb49b0903bb4c5abc843f2/FLAG80d9aeb65 [2023-03-31 00:04:34,034 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b9eedca/52412fa89edb49b0903bb4c5abc843f2 [2023-03-31 00:04:34,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:04:34,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:04:34,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:04:34,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:04:34,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:04:34,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffaa886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34, skipping insertion in model container [2023-03-31 00:04:34,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:04:34,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:04:34,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-03-31 00:04:34,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:04:34,211 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:04:34,233 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-03-31 00:04:34,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:04:34,246 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:04:34,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34 WrapperNode [2023-03-31 00:04:34,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:04:34,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:04:34,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:04:34,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:04:34,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:04:34,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:04:34,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:04:34,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:04:34,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (1/1) ... [2023-03-31 00:04:34,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:04:34,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:04:34,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:04:34,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:04:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:04:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:04:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:04:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-03-31 00:04:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2023-03-31 00:04:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:04:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:04:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:04:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:04:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:04:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 00:04:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:04:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:04:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:04:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:04:34,459 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:04:34,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:04:34,844 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:04:34,851 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:04:34,851 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:04:34,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:04:34 BoogieIcfgContainer [2023-03-31 00:04:34,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:04:34,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:04:34,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:04:34,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:04:34,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:04:34" (1/3) ... [2023-03-31 00:04:34,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d7d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:04:34, skipping insertion in model container [2023-03-31 00:04:34,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:04:34" (2/3) ... [2023-03-31 00:04:34,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d7d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:04:34, skipping insertion in model container [2023-03-31 00:04:34,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:04:34" (3/3) ... [2023-03-31 00:04:34,861 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2023-03-31 00:04:34,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:04:34,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:04:34,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:04:34,940 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@34f5b5e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:04:34,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:04:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 54 states have (on average 1.6851851851851851) internal successors, (91), 55 states have internal predecessors, (91), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 00:04:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 00:04:34,957 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:04:34,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:04:34,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:04:34,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:04:34,967 INFO L85 PathProgramCache]: Analyzing trace with hash 134579357, now seen corresponding path program 1 times [2023-03-31 00:04:34,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:04:34,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524311625] [2023-03-31 00:04:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:04:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:04:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:04:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:04:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:04:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:04:35,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:04:35,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524311625] [2023-03-31 00:04:35,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524311625] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:04:35,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:04:35,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 00:04:35,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083872295] [2023-03-31 00:04:35,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:04:35,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 00:04:35,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:04:35,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 00:04:35,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 00:04:35,279 INFO L87 Difference]: Start difference. First operand has 62 states, 54 states have (on average 1.6851851851851851) internal successors, (91), 55 states have internal predecessors, (91), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 00:04:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:04:35,523 INFO L93 Difference]: Finished difference Result 116 states and 186 transitions. [2023-03-31 00:04:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 00:04:35,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-03-31 00:04:35,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:04:35,533 INFO L225 Difference]: With dead ends: 116 [2023-03-31 00:04:35,534 INFO L226 Difference]: Without dead ends: 58 [2023-03-31 00:04:35,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:04:35,543 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 87 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:04:35,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 7 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 00:04:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-03-31 00:04:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-03-31 00:04:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 52 states have internal predecessors, (83), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-31 00:04:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 88 transitions. [2023-03-31 00:04:35,595 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 88 transitions. Word has length 18 [2023-03-31 00:04:35,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:04:35,596 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 88 transitions. [2023-03-31 00:04:35,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 00:04:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2023-03-31 00:04:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-03-31 00:04:35,599 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:04:35,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:04:35,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:04:35,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:04:35,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:04:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1405174752, now seen corresponding path program 1 times [2023-03-31 00:04:35,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:04:35,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615019698] [2023-03-31 00:04:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:04:35,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:04:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:04:35,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 00:04:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:04:35,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 00:04:35,695 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 00:04:35,696 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:04:35,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:04:35,703 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 00:04:35,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:04:35,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:04:35 BoogieIcfgContainer [2023-03-31 00:04:35,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:04:35,734 INFO L158 Benchmark]: Toolchain (without parser) took 1696.40ms. Allocated memory is still 280.0MB. Free memory was 230.8MB in the beginning and 226.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.8MB. Max. memory is 8.0GB. [2023-03-31 00:04:35,735 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 183.5MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:04:35,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.45ms. Allocated memory is still 280.0MB. Free memory was 230.6MB in the beginning and 219.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-31 00:04:35,737 INFO L158 Benchmark]: Boogie Preprocessor took 50.03ms. Allocated memory is still 280.0MB. Free memory was 219.3MB in the beginning and 217.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 00:04:35,737 INFO L158 Benchmark]: RCFGBuilder took 554.50ms. Allocated memory is still 280.0MB. Free memory was 217.3MB in the beginning and 198.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 00:04:35,738 INFO L158 Benchmark]: TraceAbstraction took 878.55ms. Allocated memory is still 280.0MB. Free memory was 197.7MB in the beginning and 226.3MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:04:35,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 183.5MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.45ms. Allocated memory is still 280.0MB. Free memory was 230.6MB in the beginning and 219.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.03ms. Allocated memory is still 280.0MB. Free memory was 219.3MB in the beginning and 217.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 554.50ms. Allocated memory is still 280.0MB. Free memory was 217.3MB in the beginning and 198.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 878.55ms. Allocated memory is still 280.0MB. Free memory was 197.7MB in the beginning and 226.3MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 8.0GB. * 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: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someUnaryDOUBLEoperation at line 93, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = -0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] CALL, EXPR ceil_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-1, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-1, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L53] COND TRUE j0 > 51 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-1, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L54] COND TRUE j0 == 0x400 [L55] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-1, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L94] RET, EXPR ceil_double(x) VAL [ceil_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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 [2023-03-31 00:04:35,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...