/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:07,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:07,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:07,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:07,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:07,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:07,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:07,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:07,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:07,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:07,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:07,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:07,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:07,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:07,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:07,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:07,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:07,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:07,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:08,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:08,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:08,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:08,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:08,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:08,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:58:08,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:08,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:08,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:08,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:58:08,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:08,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:08,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:08,021 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:08,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:08,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:08,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:08,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:08,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:08,023 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:08,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:08,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:08,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:08,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:08,234 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:08,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c [2022-01-31 22:58:08,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665edf05/4b7fbb75ad984f52b004962203f94bea/FLAGeac4a974f [2022-01-31 22:58:08,710 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:08,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0330a.c [2022-01-31 22:58:08,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665edf05/4b7fbb75ad984f52b004962203f94bea/FLAGeac4a974f [2022-01-31 22:58:08,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5665edf05/4b7fbb75ad984f52b004962203f94bea [2022-01-31 22:58:08,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:08,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:08,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:08,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:08,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:08,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cfc2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08, skipping insertion in model container [2022-01-31 22:58:08,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:08,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:08,974 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/double_req_bl_0330a.c[16339,16352] [2022-01-31 22:58:08,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:08,986 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:09,045 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/double_req_bl_0330a.c[16339,16352] [2022-01-31 22:58:09,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:09,062 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:09,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09 WrapperNode [2022-01-31 22:58:09,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:09,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:09,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:09,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:09,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:09,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:09,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:09,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:09,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (1/1) ... [2022-01-31 22:58:09,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:09,216 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) [2022-01-31 22:58:09,240 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 [2022-01-31 22:58:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:58:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-01-31 22:58:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-01-31 22:58:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-01-31 22:58:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 22:58:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:58:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:58:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:09,367 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:09,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:10,100 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:10,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:10,106 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-01-31 22:58:10,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:10 BoogieIcfgContainer [2022-01-31 22:58:10,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:10,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:10,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:10,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:10,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:08" (1/3) ... [2022-01-31 22:58:10,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506da217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:10, skipping insertion in model container [2022-01-31 22:58:10,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:09" (2/3) ... [2022-01-31 22:58:10,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506da217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:10, skipping insertion in model container [2022-01-31 22:58:10,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:10" (3/3) ... [2022-01-31 22:58:10,113 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0330a.c [2022-01-31 22:58:10,117 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:10,117 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:10,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:10,165 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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=JORDAN [2022-01-31 22:58:10,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:10,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 22:58:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 22:58:10,185 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:10,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:10,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:10,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:10,189 INFO L85 PathProgramCache]: Analyzing trace with hash -397719560, now seen corresponding path program 1 times [2022-01-31 22:58:10,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:10,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850928544] [2022-01-31 22:58:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:10,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:10,236 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 22:58:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:58:10,506 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:10,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850928544] [2022-01-31 22:58:10,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1850928544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:10,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:10,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:10,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526571049] [2022-01-31 22:58:10,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:10,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:10,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:10,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:10,529 INFO L87 Difference]: Start difference. First operand has 285 states, 251 states have (on average 1.6374501992031874) internal successors, (411), 252 states have internal predecessors, (411), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:58:11,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:11,619 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-01-31 22:58:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:11,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-01-31 22:58:11,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:11,628 INFO L225 Difference]: With dead ends: 562 [2022-01-31 22:58:11,628 INFO L226 Difference]: Without dead ends: 281 [2022-01-31 22:58:11,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:11,634 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 345 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 22:58:11,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 358 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 22:58:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-31 22:58:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-01-31 22:58:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 249 states have (on average 1.3815261044176708) internal successors, (344), 249 states have internal predecessors, (344), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 22:58:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-01-31 22:58:11,723 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-01-31 22:58:11,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:11,724 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-01-31 22:58:11,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 22:58:11,724 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-01-31 22:58:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 22:58:11,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:11,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:11,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:11,726 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:11,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash 754890878, now seen corresponding path program 1 times [2022-01-31 22:58:11,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:11,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370084030] [2022-01-31 22:58:11,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:11,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:11,729 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:11,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:58:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:11,830 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:58:11,830 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:58:11,832 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:58:11,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:58:11,835 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:58:11,836 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:58:11,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:58:11 BoogieIcfgContainer [2022-01-31 22:58:11,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:58:11,847 INFO L158 Benchmark]: Toolchain (without parser) took 3116.86ms. Allocated memory was 161.5MB in the beginning and 196.1MB in the end (delta: 34.6MB). Free memory was 113.3MB in the beginning and 86.7MB in the end (delta: 26.5MB). Peak memory consumption was 61.6MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,847 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:11,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.36ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 124.2MB in the end (delta: -11.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,847 INFO L158 Benchmark]: Boogie Preprocessor took 109.61ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 118.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,848 INFO L158 Benchmark]: RCFGBuilder took 934.50ms. Allocated memory is still 161.5MB. Free memory was 118.0MB in the beginning and 60.8MB in the end (delta: 57.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,848 INFO L158 Benchmark]: TraceAbstraction took 1736.88ms. Allocated memory was 161.5MB in the beginning and 196.1MB in the end (delta: 34.6MB). Free memory was 60.3MB in the beginning and 86.7MB in the end (delta: -26.4MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 332.36ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 124.2MB in the end (delta: -11.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.61ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 118.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 934.50ms. Allocated memory is still 161.5MB. Free memory was 118.0MB in the beginning and 60.8MB in the end (delta: 57.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1736.88ms. Allocated memory was 161.5MB in the beginning and 196.1MB in the end (delta: 34.6MB). Free memory was 60.3MB in the beginning and 86.7MB in the end (delta: -26.4MB). Peak memory consumption was 8.0MB. 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: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 534, overapproximation of someBinaryArithmeticDOUBLEoperation at line 620, overapproximation of bitwiseAnd at line 615, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L368-L379] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L381-L388] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L390-L399] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L532-L538] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L576-L582] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L644] double x = 1.0 / 0.0; [L645] CALL, EXPR cos_double(x) [L607] double y[2], z = 0.0; [L608] __int32_t n, ix; [L610] ieee_double_shape_type gh_u; [L611] gh_u.value = (x) [L612] EXPR gh_u.parts.msw [L612] (ix) = gh_u.parts.msw [L615] ix &= 0x7fffffff [L616] COND FALSE !(ix <= 0x3fe921fb) [L619] COND TRUE ix >= 0x7ff00000 [L620] return x - x; [L620] return x - x; [L645] RET, EXPR cos_double(x) [L645] double res = cos_double(x); [L648] CALL, EXPR isnan_double(res) [L88] return x != x; [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 390 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 356 mSDtfsCounter, 390 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 [2022-01-31 22:58:11,874 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...