/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_0520.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:18,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:18,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:18,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:18,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:18,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:18,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:18,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:18,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:18,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:18,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:18,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:18,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:18,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:18,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:18,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:18,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:18,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:18,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:18,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:18,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:18,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:18,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:18,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:18,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:58:18,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:58:18,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:58:18,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:58:18,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:58:18,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:58:18,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:58:18,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:58:18,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:58:18,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:18,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:18,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:18,966 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 22:58:18,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:18,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:18,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:18,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:18,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:18,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:18,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:18,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:18,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:18,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:18,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:18,979 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:18,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:19,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:19,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:19,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:19,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:19,183 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:19,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0520.c [2022-01-31 22:58:19,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6e9d2a3/dc7236a7698f4e94ab5c3e52de8f1725/FLAG76acbeaea [2022-01-31 22:58:19,635 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:19,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0520.c [2022-01-31 22:58:19,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6e9d2a3/dc7236a7698f4e94ab5c3e52de8f1725/FLAG76acbeaea [2022-01-31 22:58:19,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6e9d2a3/dc7236a7698f4e94ab5c3e52de8f1725 [2022-01-31 22:58:19,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:19,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:19,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:19,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:19,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:19,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:19" (1/1) ... [2022-01-31 22:58:19,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eda165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:19, skipping insertion in model container [2022-01-31 22:58:19,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:19" (1/1) ... [2022-01-31 22:58:19,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:19,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:19,923 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_0520.c[16106,16119] [2022-01-31 22:58:19,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:19,944 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:20,010 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_0520.c[16106,16119] [2022-01-31 22:58:20,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:20,055 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20 WrapperNode [2022-01-31 22:58:20,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:20,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:20,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:20,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:20,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:20,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:20,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:20,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:20,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (1/1) ... [2022-01-31 22:58:20,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:20,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:20,199 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 22:58:20,227 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 22:58:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:58:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-01-31 22:58:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2022-01-31 22:58:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:20,400 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:20,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:20,913 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:20,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:20,924 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-01-31 22:58:20,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:20 BoogieIcfgContainer [2022-01-31 22:58:20,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:20,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:20,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:20,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:20,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:19" (1/3) ... [2022-01-31 22:58:20,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce4dfd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:20, skipping insertion in model container [2022-01-31 22:58:20,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:20" (2/3) ... [2022-01-31 22:58:20,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce4dfd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:20, skipping insertion in model container [2022-01-31 22:58:20,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:20" (3/3) ... [2022-01-31 22:58:20,934 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2022-01-31 22:58:20,937 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:20,937 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:20,969 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:20,974 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 22:58:20,974 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 277 states, 246 states have (on average 1.646341463414634) internal successors, (405), 247 states have internal predecessors, (405), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 22:58:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 22:58:20,997 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:20,998 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 22:58:20,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:21,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash -71860082, now seen corresponding path program 1 times [2022-01-31 22:58:21,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:21,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201830880] [2022-01-31 22:58:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:21,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:21,047 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 22:58:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:21,332 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 22:58:21,333 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:21,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201830880] [2022-01-31 22:58:21,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [201830880] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:21,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:21,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:21,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783886087] [2022-01-31 22:58:21,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:21,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:21,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:21,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:21,364 INFO L87 Difference]: Start difference. First operand has 277 states, 246 states have (on average 1.646341463414634) internal successors, (405), 247 states have internal predecessors, (405), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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 22:58:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:22,310 INFO L93 Difference]: Finished difference Result 546 states and 888 transitions. [2022-01-31 22:58:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:22,312 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 22:58:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:22,326 INFO L225 Difference]: With dead ends: 546 [2022-01-31 22:58:22,326 INFO L226 Difference]: Without dead ends: 273 [2022-01-31 22:58:22,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:22,335 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 337 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-31 22:58:22,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 350 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-31 22:58:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-01-31 22:58:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-01-31 22:58:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 244 states have (on average 1.3770491803278688) internal successors, (336), 244 states have internal predecessors, (336), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-31 22:58:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2022-01-31 22:58:22,450 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 22 [2022-01-31 22:58:22,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:22,450 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2022-01-31 22:58:22,450 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 22:58:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2022-01-31 22:58:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 22:58:22,451 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:22,452 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 22:58:22,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:22,452 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:22,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash -448708698, now seen corresponding path program 1 times [2022-01-31 22:58:22,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:22,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144064564] [2022-01-31 22:58:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:22,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:22,455 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:22,529 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:58:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:22,607 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:58:22,608 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:58:22,610 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:58:22,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:58:22,614 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:58:22,616 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:58:22,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:58:22 BoogieIcfgContainer [2022-01-31 22:58:22,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:58:22,637 INFO L158 Benchmark]: Toolchain (without parser) took 2982.13ms. Allocated memory was 189.8MB in the beginning and 272.6MB in the end (delta: 82.8MB). Free memory was 134.0MB in the beginning and 192.3MB in the end (delta: -58.3MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. [2022-01-31 22:58:22,637 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:22,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.05ms. Allocated memory was 189.8MB in the beginning and 272.6MB in the end (delta: 82.8MB). Free memory was 133.7MB in the beginning and 230.4MB in the end (delta: -96.6MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-01-31 22:58:22,640 INFO L158 Benchmark]: Boogie Preprocessor took 113.94ms. Allocated memory is still 272.6MB. Free memory was 230.4MB in the beginning and 224.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:58:22,642 INFO L158 Benchmark]: RCFGBuilder took 756.00ms. Allocated memory is still 272.6MB. Free memory was 224.1MB in the beginning and 166.4MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:22,642 INFO L158 Benchmark]: TraceAbstraction took 1707.52ms. Allocated memory is still 272.6MB. Free memory was 165.9MB in the beginning and 192.3MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:22,646 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 189.8MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.05ms. Allocated memory was 189.8MB in the beginning and 272.6MB in the end (delta: 82.8MB). Free memory was 133.7MB in the beginning and 230.4MB in the end (delta: -96.6MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 113.94ms. Allocated memory is still 272.6MB. Free memory was 230.4MB in the beginning and 224.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 756.00ms. Allocated memory is still 272.6MB. Free memory was 224.1MB in the beginning and 166.4MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1707.52ms. Allocated memory is still 272.6MB. Free memory was 165.9MB in the beginning and 192.3MB in the end (delta: -26.4MB). 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: 648]: 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 537, overapproximation of someBinaryArithmeticDOUBLEoperation at line 628, overapproximation of bitwiseAnd at line 623, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] 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, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] 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, }; [L377-L384] 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, }; [L386-L395] 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; [L528-L539] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L643] double x = 0.0 / 0.0; [L644] CALL, EXPR tan_double(x) [L614] double y[2], z = 0.0; [L615] __int32_t n, ix; [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L623] ix &= 0x7fffffff [L624] COND FALSE !(ix <= 0x3fe921fb) [L627] COND TRUE ix >= 0x7ff00000 [L628] return x - x; [L628] return x - x; [L644] RET, EXPR tan_double(x) [L644] double res = tan_double(x); [L647] CALL, EXPR isnan_double(res) [L19] return x != x; [L647] RET, EXPR isnan_double(res) [L647] COND TRUE !isnan_double(res) [L648] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 280 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 352 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 337 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 348 mSDtfsCounter, 377 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred 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 22:58:22,685 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...