/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_0320.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:07,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:07,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:07,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:07,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:07,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:07,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:07,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:07,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:07,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:07,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:07,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:07,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:07,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:07,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:07,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:07,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:07,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:07,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:07,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:07,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:07,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:07,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:07,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:07,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 22:58:07,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 22:58:07,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 22:58:07,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 22:58:07,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 22:58:07,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 22:58:07,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:58:07,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:58:07,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:58:07,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:58:07,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:58:07,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:58:07,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:58:07,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:58:07,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:07,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:07,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:07,575 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 22:58:07,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:07,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:07,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:07,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:07,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:07,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:07,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:07,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:07,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:07,590 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:07,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:07,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:07,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:07,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:07,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:07,793 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:07,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2022-01-31 22:58:07,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fea3419/715bcf5d38864cb99eca643bc016bafb/FLAG3da0b9df1 [2022-01-31 22:58:08,210 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:08,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2022-01-31 22:58:08,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fea3419/715bcf5d38864cb99eca643bc016bafb/FLAG3da0b9df1 [2022-01-31 22:58:08,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fea3419/715bcf5d38864cb99eca643bc016bafb [2022-01-31 22:58:08,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:08,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:08,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:08,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:08,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:08,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d51dae5 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 22:58:08,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:08,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:08,807 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_0320.c[16343,16356] [2022-01-31 22:58:08,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:08,819 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:08,875 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_0320.c[16343,16356] [2022-01-31 22:58:08,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:08,891 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:08,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08 WrapperNode [2022-01-31 22:58:08,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:08,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:08,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:08,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:08,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:08,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:09,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:09,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:09,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:09,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:09,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:09,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:09,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (1/1) ... [2022-01-31 22:58:09,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:09,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:09,041 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 22:58:09,051 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 22:58:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:58:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:58:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:58:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:58:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:58:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-01-31 22:58:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-01-31 22:58:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-01-31 22:58:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-01-31 22:58:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-01-31 22:58:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:09,235 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:09,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:09,880 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:09,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:09,890 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-01-31 22:58:09,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:09 BoogieIcfgContainer [2022-01-31 22:58:09,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:09,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:09,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:09,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:09,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:08" (1/3) ... [2022-01-31 22:58:09,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaeac0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:09, skipping insertion in model container [2022-01-31 22:58:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:08" (2/3) ... [2022-01-31 22:58:09,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaeac0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:09, skipping insertion in model container [2022-01-31 22:58:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:09" (3/3) ... [2022-01-31 22:58:09,900 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2022-01-31 22:58:09,904 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:09,904 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:09,933 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:09,939 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 22:58:09,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 282 states, 250 states have (on average 1.644) internal successors, (411), 251 states have internal predecessors, (411), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 22:58:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 22:58:09,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:09,969 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:09,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1907411123, now seen corresponding path program 1 times [2022-01-31 22:58:09,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:09,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670756751] [2022-01-31 22:58:09,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:09,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:10,027 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 22:58:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:10,401 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 22:58:10,402 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:10,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670756751] [2022-01-31 22:58:10,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [670756751] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:10,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:10,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:10,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039515602] [2022-01-31 22:58:10,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:10,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:10,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:10,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:10,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:10,429 INFO L87 Difference]: Start difference. First operand has 282 states, 250 states have (on average 1.644) internal successors, (411), 251 states have internal predecessors, (411), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 22:58:11,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:11,540 INFO L93 Difference]: Finished difference Result 558 states and 907 transitions. [2022-01-31 22:58:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:11,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-01-31 22:58:11,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:11,553 INFO L225 Difference]: With dead ends: 558 [2022-01-31 22:58:11,554 INFO L226 Difference]: Without dead ends: 277 [2022-01-31 22:58:11,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:58:11,560 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 349 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-31 22:58:11,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 357 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-31 22:58:11,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-01-31 22:58:11,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-01-31 22:58:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 247 states have (on average 1.3846153846153846) internal successors, (342), 247 states have internal predecessors, (342), 19 states have call successors, (19), 11 states have call predecessors, (19), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 22:58:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 379 transitions. [2022-01-31 22:58:11,633 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 379 transitions. Word has length 18 [2022-01-31 22:58:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:11,634 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 379 transitions. [2022-01-31 22:58:11,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 22:58:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 379 transitions. [2022-01-31 22:58:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 22:58:11,634 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:11,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:58:11,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:11,635 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:11,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:11,635 INFO L85 PathProgramCache]: Analyzing trace with hash -645312058, now seen corresponding path program 1 times [2022-01-31 22:58:11,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:11,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221712721] [2022-01-31 22:58:11,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:11,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:11,638 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:11,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:58:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:11,718 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:58:11,718 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:58:11,720 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:58:11,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:58:11,723 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:58:11,725 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:58:11,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:58:11 BoogieIcfgContainer [2022-01-31 22:58:11,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:58:11,737 INFO L158 Benchmark]: Toolchain (without parser) took 3149.13ms. Allocated memory was 189.8MB in the beginning and 246.4MB in the end (delta: 56.6MB). Free memory was 140.3MB in the beginning and 99.3MB in the end (delta: 41.0MB). Peak memory consumption was 98.0MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,737 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 157.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:11,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.54ms. Allocated memory is still 189.8MB. Free memory was 140.1MB in the beginning and 153.2MB in the end (delta: -13.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,738 INFO L158 Benchmark]: Boogie Preprocessor took 125.67ms. Allocated memory is still 189.8MB. Free memory was 153.2MB in the beginning and 146.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,738 INFO L158 Benchmark]: RCFGBuilder took 874.33ms. Allocated memory is still 189.8MB. Free memory was 146.9MB in the beginning and 89.7MB in the end (delta: 57.1MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,738 INFO L158 Benchmark]: TraceAbstraction took 1840.42ms. Allocated memory was 189.8MB in the beginning and 246.4MB in the end (delta: 56.6MB). Free memory was 89.2MB in the beginning and 99.3MB in the end (delta: -10.1MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. [2022-01-31 22:58:11,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 157.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 303.54ms. Allocated memory is still 189.8MB. Free memory was 140.1MB in the beginning and 153.2MB in the end (delta: -13.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 125.67ms. Allocated memory is still 189.8MB. Free memory was 153.2MB in the beginning and 146.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 874.33ms. Allocated memory is still 189.8MB. Free memory was 146.9MB in the beginning and 89.7MB in the end (delta: 57.1MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1840.42ms. Allocated memory was 189.8MB in the beginning and 246.4MB in the end (delta: 56.6MB). Free memory was 89.2MB in the beginning and 99.3MB in the end (delta: -10.1MB). Peak memory consumption was 47.6MB. 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 530, overapproximation of bitwiseAnd at line 611, overapproximation of someBinaryArithmeticDOUBLEoperation at line 616, overapproximation of someBinaryDOUBLEComparisonOperation at line 647. Possible FailurePath: [L23] static const double huge_floor = 1.0e300; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L180] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L182-L187] 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, }; [L189-L191] 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-L534] 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; [L572-L578] 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; [L640] double x = __VERIFIER_nondet_double(); [L642] COND TRUE x == 0.0 || x == -0.0 [L644] CALL, EXPR cos_double(x) [L603] double y[2], z = 0.0; [L604] __int32_t n, ix; [L606] ieee_double_shape_type gh_u; [L607] gh_u.value = (x) [L608] EXPR gh_u.parts.msw [L608] (ix) = gh_u.parts.msw [L611] ix &= 0x7fffffff [L612] COND FALSE !(ix <= 0x3fe921fb) [L615] COND TRUE ix >= 0x7ff00000 [L616] return x - x; [L616] return x - x; [L644] RET, EXPR cos_double(x) [L644] double res = cos_double(x); [L647] COND TRUE res != 1.0 [L648] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 285 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 355 mSDtfsCounter, 388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred 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 22:58:11,771 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...