/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_0550b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:58:25,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:58:25,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:58:25,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:58:25,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:58:25,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:58:25,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:58:25,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:58:25,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:58:25,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:58:25,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:58:25,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:58:25,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:58:25,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:58:25,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:58:25,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:58:25,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:58:25,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:58:25,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:58:25,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:58:25,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:58:25,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:58:25,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:58:25,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:58:25,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 22:58:25,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 22:58:25,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 22:58:25,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 22:58:25,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 22:58:25,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 22:58:25,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:58:25,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:58:25,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:58:25,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:58:25,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:58:25,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:58:25,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:58:25,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:58:25,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:58:25,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:58:25,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:58:25,151 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 22:58:25,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:58:25,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:58:25,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:58:25,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:58:25,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:58:25,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:58:25,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:25,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:58:25,164 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:58:25,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:58:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:58:25,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:58:25,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:58:25,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:58:25,358 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:58:25,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2022-01-31 22:58:25,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5276fcb08/9a4bd4415f4047bc93bcb32142b0a583/FLAGbad43b630 [2022-01-31 22:58:25,772 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:58:25,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2022-01-31 22:58:25,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5276fcb08/9a4bd4415f4047bc93bcb32142b0a583/FLAGbad43b630 [2022-01-31 22:58:26,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5276fcb08/9a4bd4415f4047bc93bcb32142b0a583 [2022-01-31 22:58:26,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:58:26,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:58:26,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:26,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:58:26,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:58:26,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a594bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26, skipping insertion in model container [2022-01-31 22:58:26,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:58:26,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:58:26,417 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_0550b.c[16149,16162] [2022-01-31 22:58:26,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:26,429 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:58:26,481 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_0550b.c[16149,16162] [2022-01-31 22:58:26,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:58:26,496 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:58:26,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26 WrapperNode [2022-01-31 22:58:26,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:58:26,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:58:26,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:58:26,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:58:26,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:58:26,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:58:26,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:58:26,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:58:26,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (1/1) ... [2022-01-31 22:58:26,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:58:26,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:58:26,658 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 22:58:26,678 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 22:58:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:58:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:58:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:58:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-01-31 22:58:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2022-01-31 22:58:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:58:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:58:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:58:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-01-31 22:58:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2022-01-31 22:58:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:58:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:58:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:58:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:58:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:58:26,870 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:58:26,871 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:58:27,545 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:58:27,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:58:27,553 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-01-31 22:58:27,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:27 BoogieIcfgContainer [2022-01-31 22:58:27,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:58:27,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:58:27,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:58:27,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:58:27,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:58:26" (1/3) ... [2022-01-31 22:58:27,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb4b296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:27, skipping insertion in model container [2022-01-31 22:58:27,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:58:26" (2/3) ... [2022-01-31 22:58:27,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb4b296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:58:27, skipping insertion in model container [2022-01-31 22:58:27,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:58:27" (3/3) ... [2022-01-31 22:58:27,563 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550b.c [2022-01-31 22:58:27,566 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:58:27,566 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:58:27,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:58:27,607 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 22:58:27,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:58:27,632 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 22:58:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 22:58:27,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:27,641 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 22:58:27,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:27,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:27,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2132499816, now seen corresponding path program 1 times [2022-01-31 22:58:27,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:27,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539637637] [2022-01-31 22:58:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:27,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:27,691 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:58:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:58:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 22:58:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:58:28,053 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 22:58:28,054 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:58:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539637637] [2022-01-31 22:58:28,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1539637637] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:58:28,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:58:28,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:58:28,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308541584] [2022-01-31 22:58:28,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:58:28,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:58:28,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:58:28,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:58:28,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:58:28,086 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 22:58:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:58:29,016 INFO L93 Difference]: Finished difference Result 546 states and 888 transitions. [2022-01-31 22:58:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:58:29,017 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 22:58:29,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:58:29,024 INFO L225 Difference]: With dead ends: 546 [2022-01-31 22:58:29,025 INFO L226 Difference]: Without dead ends: 273 [2022-01-31 22:58:29,028 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 22:58:29,030 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 22:58:29,031 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 22:58:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-01-31 22:58:29,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-01-31 22:58:29,110 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 22:58:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2022-01-31 22:58:29,112 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 22 [2022-01-31 22:58:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:58:29,112 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2022-01-31 22:58:29,112 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 22:58:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2022-01-31 22:58:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 22:58:29,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:58:29,114 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 22:58:29,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:58:29,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:58:29,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:58:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash -147898382, now seen corresponding path program 1 times [2022-01-31 22:58:29,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:58:29,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436932412] [2022-01-31 22:58:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:58:29,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:58:29,117 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:58:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:29,167 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:58:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:58:29,237 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:58:29,238 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:58:29,240 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:58:29,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:58:29,243 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:58:29,245 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:58:29,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:58:29 BoogieIcfgContainer [2022-01-31 22:58:29,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:58:29,267 INFO L158 Benchmark]: Toolchain (without parser) took 3100.93ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 131.0MB in the beginning and 110.1MB in the end (delta: 20.9MB). Peak memory consumption was 80.8MB. Max. memory is 8.0GB. [2022-01-31 22:58:29,267 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:58:29,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.35ms. Allocated memory is still 184.5MB. Free memory was 130.9MB in the beginning and 141.3MB in the end (delta: -10.4MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-01-31 22:58:29,270 INFO L158 Benchmark]: Boogie Preprocessor took 131.94ms. Allocated memory is still 184.5MB. Free memory was 141.3MB in the beginning and 135.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:58:29,270 INFO L158 Benchmark]: RCFGBuilder took 926.12ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 77.4MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:58:29,270 INFO L158 Benchmark]: TraceAbstraction took 1707.91ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 76.9MB in the beginning and 110.1MB in the end (delta: -33.2MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2022-01-31 22:58:29,271 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 184.5MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 330.35ms. Allocated memory is still 184.5MB. Free memory was 130.9MB in the beginning and 141.3MB in the end (delta: -10.4MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 131.94ms. Allocated memory is still 184.5MB. Free memory was 141.3MB in the beginning and 135.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 926.12ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 77.4MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1707.91ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 76.9MB in the beginning and 110.1MB in the end (delta: -33.2MB). Peak memory consumption was 26.6MB. 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: 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 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] 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, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] 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, }; [L378-L385] 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, }; [L387-L396] 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; [L529-L540] 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, }; [L644] double x = -1.0 / 0.0; [L645] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff [L625] COND FALSE !(ix <= 0x3fe921fb) [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; [L645] RET, EXPR tan_double(x) [L645] double res = tan_double(x); [L648] CALL, EXPR isnan_double(res) [L20] 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 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, 0.2s 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 22:58:29,295 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...