/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:48:27,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:48:27,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:48:27,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 00:48:27,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 00:48:27,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 00:48:27,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 00:48:27,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 00:48:27,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 00:48:27,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 00:48:27,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 00:48:27,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 00:48:27,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 00:48:27,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 00:48:27,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 00:48:27,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 00:48:27,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 00:48:27,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 00:48:27,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 00:48:27,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 00:48:27,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 00:48:27,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 00:48:27,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 00:48:27,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 00:48:27,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 00:48:27,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 00:48:27,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 00:48:27,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 00:48:27,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 00:48:27,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:48:27,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:48:27,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:48:27,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:48:27,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:48:27,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:48:27,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:48:27,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:48:27,187 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:48:27,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:48:27,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:48:27,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:48:27,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:48:27,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:48:27,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:48:27,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:48:27,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:48:27,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:48:27,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:48:27,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:48:27,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:48:27,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:48:27,432 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:48:27,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c [2022-01-10 00:48:27,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ad737c5/8bc859caec2342acb8345357d2985a2b/FLAGf9de5757e [2022-01-10 00:48:27,854 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:48:27,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c [2022-01-10 00:48:27,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ad737c5/8bc859caec2342acb8345357d2985a2b/FLAGf9de5757e [2022-01-10 00:48:27,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ad737c5/8bc859caec2342acb8345357d2985a2b [2022-01-10 00:48:27,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:48:27,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:48:27,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:48:27,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:48:27,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:48:27,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:48:27" (1/1) ... [2022-01-10 00:48:27,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d75ecc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:27, skipping insertion in model container [2022-01-10 00:48:27,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:48:27" (1/1) ... [2022-01-10 00:48:27,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:48:27,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:48:28,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-01-10 00:48:28,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:48:28,074 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:48:28,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c[5271,5284] [2022-01-10 00:48:28,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:48:28,121 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:48:28,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28 WrapperNode [2022-01-10 00:48:28,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:48:28,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:48:28,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:48:28,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:48:28,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,151 INFO L137 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2022-01-10 00:48:28,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:48:28,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:48:28,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:48:28,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:48:28,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:48:28,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:48:28,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:48:28,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:48:28,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (1/1) ... [2022-01-10 00:48:28,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:48:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:48:28,205 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) [2022-01-10 00:48:28,210 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 [2022-01-10 00:48:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:48:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:48:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 00:48:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-10 00:48:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:48:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-01-10 00:48:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-01-10 00:48:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 00:48:28,296 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:48:28,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:48:28,573 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:48:28,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:48:28,579 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-01-10 00:48:28,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:48:28 BoogieIcfgContainer [2022-01-10 00:48:28,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:48:28,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:48:28,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:48:28,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:48:28,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:48:27" (1/3) ... [2022-01-10 00:48:28,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714ec5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:48:28, skipping insertion in model container [2022-01-10 00:48:28,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:28" (2/3) ... [2022-01-10 00:48:28,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714ec5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:48:28, skipping insertion in model container [2022-01-10 00:48:28,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:48:28" (3/3) ... [2022-01-10 00:48:28,586 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2022-01-10 00:48:28,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:48:28,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:48:28,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:48:28,626 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 00:48:28,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:48:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 00:48:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 00:48:28,641 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:48:28,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:48:28,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:48:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:48:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1457381495, now seen corresponding path program 1 times [2022-01-10 00:48:28,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:48:28,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503213917] [2022-01-10 00:48:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:48:28,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:48:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:48:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:48:28,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:48:28,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503213917] [2022-01-10 00:48:28,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503213917] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:48:28,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:48:28,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:48:28,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427094319] [2022-01-10 00:48:28,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:48:28,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 00:48:28,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:48:28,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 00:48:28,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 00:48:28,853 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-10 00:48:28,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:48:28,896 INFO L93 Difference]: Finished difference Result 181 states and 294 transitions. [2022-01-10 00:48:28,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 00:48:28,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-01-10 00:48:28,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:48:28,905 INFO L225 Difference]: With dead ends: 181 [2022-01-10 00:48:28,906 INFO L226 Difference]: Without dead ends: 88 [2022-01-10 00:48:28,909 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:48:28,913 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:48:28,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 00:48:28,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-01-10 00:48:28,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-01-10 00:48:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 81 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-10 00:48:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2022-01-10 00:48:28,953 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 11 [2022-01-10 00:48:28,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:48:28,953 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2022-01-10 00:48:28,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-10 00:48:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-01-10 00:48:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 00:48:28,955 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:48:28,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:48:28,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:48:28,956 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:48:28,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:48:28,959 INFO L85 PathProgramCache]: Analyzing trace with hash 413175488, now seen corresponding path program 1 times [2022-01-10 00:48:28,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:48:28,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528943934] [2022-01-10 00:48:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:48:28,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:48:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:48:29,046 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 00:48:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:48:29,120 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 00:48:29,121 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 00:48:29,122 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:48:29,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:48:29,126 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 00:48:29,132 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:48:29,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:48:29 BoogieIcfgContainer [2022-01-10 00:48:29,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:48:29,183 INFO L158 Benchmark]: Toolchain (without parser) took 1308.23ms. Allocated memory is still 209.7MB. Free memory was 160.7MB in the beginning and 125.2MB in the end (delta: 35.5MB). Peak memory consumption was 35.1MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,183 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory was 177.2MB in the beginning and 177.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:48:29,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.10ms. Allocated memory is still 209.7MB. Free memory was 160.5MB in the beginning and 183.4MB in the end (delta: -22.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.22ms. Allocated memory is still 209.7MB. Free memory was 183.4MB in the beginning and 180.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,188 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 209.7MB. Free memory was 180.8MB in the beginning and 178.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,188 INFO L158 Benchmark]: RCFGBuilder took 401.95ms. Allocated memory is still 209.7MB. Free memory was 178.7MB in the beginning and 158.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,188 INFO L158 Benchmark]: TraceAbstraction took 599.95ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 125.2MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-01-10 00:48:29,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory was 177.2MB in the beginning and 177.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.10ms. Allocated memory is still 209.7MB. Free memory was 160.5MB in the beginning and 183.4MB in the end (delta: -22.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.22ms. Allocated memory is still 209.7MB. Free memory was 183.4MB in the beginning and 180.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 209.7MB. Free memory was 180.8MB in the beginning and 178.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 401.95ms. Allocated memory is still 209.7MB. Free memory was 178.7MB in the beginning and 158.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 599.95ms. Allocated memory is still 209.7MB. Free memory was 157.7MB in the beginning and 125.2MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. 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: 233]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = __VERIFIER_nondet_float(); [L219] float y = 0.0f; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=0, zero_atan2=0] [L226] COND TRUE x < 0.0f [L229] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] [L233] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=0, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 132 mSDtfsCounter, 0 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=92occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2022-01-10 00:48:29,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...