/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_0220a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:57:49,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:57:49,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:57:49,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:57:49,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:57:49,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:57:49,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:57:49,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:57:49,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:57:49,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:57:49,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:57:49,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:57:49,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:57:49,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:57:49,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:57:49,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:57:49,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:57:49,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:57:49,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:57:49,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:57:49,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:57:49,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:57:49,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:57:49,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:57:49,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 22:57:49,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 22:57:49,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 22:57:49,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 22:57:49,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 22:57:49,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 22:57:49,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 22:57:49,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 22:57:49,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 22:57:49,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 22:57:49,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 22:57:49,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 22:57:49,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 22:57:49,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 22:57:49,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:57:49,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:57:49,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:57:49,416 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 22:57:49,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:57:49,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:57:49,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:57:49,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:57:49,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:57:49,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:57:49,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:49,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:57:49,430 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:57:49,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:57:49,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:57:49,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:57:49,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:57:49,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:57:49,618 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:57:49,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0220a.c [2022-01-31 22:57:49,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cc1d62b/0ea992f8a5d74bf2af78ccdd3a6542e1/FLAGd19fda9e7 [2022-01-31 22:57:50,040 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:57:50,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0220a.c [2022-01-31 22:57:50,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cc1d62b/0ea992f8a5d74bf2af78ccdd3a6542e1/FLAGd19fda9e7 [2022-01-31 22:57:50,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cc1d62b/0ea992f8a5d74bf2af78ccdd3a6542e1 [2022-01-31 22:57:50,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:57:50,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:57:50,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:50,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:57:50,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:57:50,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb483e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50, skipping insertion in model container [2022-01-31 22:57:50,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:57:50,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:57:50,358 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_0220a.c[16452,16465] [2022-01-31 22:57:50,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:50,383 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:57:50,477 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_0220a.c[16452,16465] [2022-01-31 22:57:50,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:50,500 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:57:50,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50 WrapperNode [2022-01-31 22:57:50,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:50,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:57:50,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:57:50,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:57:50,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:57:50,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:57:50,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:57:50,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:57:50,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (1/1) ... [2022-01-31 22:57:50,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:57:50,615 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 22:57:50,622 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 22:57:50,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-01-31 22:57:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_double [2022-01-31 22:57:50,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:57:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:57:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:57:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:57:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:57:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:57:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure sin_double [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:57:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:57:50,765 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:57:50,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:57:51,367 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:57:51,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:57:51,379 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-01-31 22:57:51,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:51 BoogieIcfgContainer [2022-01-31 22:57:51,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:57:51,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:57:51,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:57:51,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:57:51,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:57:50" (1/3) ... [2022-01-31 22:57:51,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527077e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:51, skipping insertion in model container [2022-01-31 22:57:51,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:50" (2/3) ... [2022-01-31 22:57:51,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5527077e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:51, skipping insertion in model container [2022-01-31 22:57:51,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:51" (3/3) ... [2022-01-31 22:57:51,388 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220a.c [2022-01-31 22:57:51,392 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:57:51,392 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:57:51,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:57:51,434 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 22:57:51,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:57:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 255 states have (on average 1.6392156862745098) internal successors, (418), 256 states have internal predecessors, (418), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 22:57:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 22:57:51,456 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:51,457 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 22:57:51,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash -980308182, now seen corresponding path program 1 times [2022-01-31 22:57:51,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:51,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255312537] [2022-01-31 22:57:51,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:51,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:51,510 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:57:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:57:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:51,934 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 22:57:51,936 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:57:51,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255312537] [2022-01-31 22:57:51,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1255312537] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:57:51,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:57:51,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:57:51,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604699614] [2022-01-31 22:57:51,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:57:51,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:57:51,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:57:51,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:57:51,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:57:51,981 INFO L87 Difference]: Start difference. First operand has 289 states, 255 states have (on average 1.6392156862745098) internal successors, (418), 256 states have internal predecessors, (418), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.25) 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 22:57:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:57:53,216 INFO L93 Difference]: Finished difference Result 570 states and 925 transitions. [2022-01-31 22:57:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:57:53,218 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 22:57:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:57:53,231 INFO L225 Difference]: With dead ends: 570 [2022-01-31 22:57:53,231 INFO L226 Difference]: Without dead ends: 285 [2022-01-31 22:57:53,237 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 22:57:53,241 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 348 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 22:57:53,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 362 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 22:57:53,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-01-31 22:57:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-01-31 22:57:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.3794466403162056) internal successors, (349), 253 states have internal predecessors, (349), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 22:57:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2022-01-31 22:57:53,356 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 18 [2022-01-31 22:57:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:57:53,357 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2022-01-31 22:57:53,357 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 22:57:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2022-01-31 22:57:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 22:57:53,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:53,359 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 22:57:53,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:57:53,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash -112102004, now seen corresponding path program 1 times [2022-01-31 22:57:53,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:53,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882954296] [2022-01-31 22:57:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:53,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:53,364 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:53,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:57:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:53,484 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:57:53,485 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:57:53,486 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:57:53,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:57:53,490 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:57:53,492 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:57:53,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:57:53 BoogieIcfgContainer [2022-01-31 22:57:53,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:57:53,503 INFO L158 Benchmark]: Toolchain (without parser) took 3435.80ms. Allocated memory was 206.6MB in the beginning and 262.1MB in the end (delta: 55.6MB). Free memory was 155.3MB in the beginning and 128.1MB in the end (delta: 27.2MB). Peak memory consumption was 83.6MB. Max. memory is 8.0GB. [2022-01-31 22:57:53,504 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:57:53,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.55ms. Allocated memory is still 206.6MB. Free memory was 155.1MB in the beginning and 169.1MB in the end (delta: -14.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-01-31 22:57:53,504 INFO L158 Benchmark]: Boogie Preprocessor took 81.61ms. Allocated memory is still 206.6MB. Free memory was 169.1MB in the beginning and 162.8MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-31 22:57:53,505 INFO L158 Benchmark]: RCFGBuilder took 798.76ms. Allocated memory is still 206.6MB. Free memory was 162.3MB in the beginning and 104.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:57:53,505 INFO L158 Benchmark]: TraceAbstraction took 2119.03ms. Allocated memory was 206.6MB in the beginning and 262.1MB in the end (delta: 55.6MB). Free memory was 104.1MB in the beginning and 128.1MB in the end (delta: -24.0MB). Peak memory consumption was 33.2MB. Max. memory is 8.0GB. [2022-01-31 22:57:53,506 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 206.6MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.55ms. Allocated memory is still 206.6MB. Free memory was 155.1MB in the beginning and 169.1MB in the end (delta: -14.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.61ms. Allocated memory is still 206.6MB. Free memory was 169.1MB in the beginning and 162.8MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 798.76ms. Allocated memory is still 206.6MB. Free memory was 162.3MB in the beginning and 104.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2119.03ms. Allocated memory was 206.6MB in the beginning and 262.1MB in the end (delta: 55.6MB). Free memory was 104.1MB in the beginning and 128.1MB in the end (delta: -24.0MB). Peak memory consumption was 33.2MB. 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: 655]: 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 542, overapproximation of bitwiseAnd at line 622, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 654. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L119-L121] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L190] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L192-L197] 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, }; [L199-L201] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L376-L387] 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, }; [L389-L396] 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, }; [L398-L407] 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; [L540-L546] 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; [L584-L590] 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; [L650] double x = 0.0; [L651] CALL, EXPR sin_double(x) [L615] double y[2], z = 0.0; [L616] __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 [L622] ix &= 0x7fffffff [L623] COND FALSE !(ix <= 0x3fe921fb) [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; [L651] RET, EXPR sin_double(x) [L651] double res = sin_double(x); [L654] EXPR res == 0.0 && __signbit_double(res) == 0 [L654] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L655] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 360 mSDtfsCounter, 397 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=289occurred 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 22:57:53,532 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...