/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:51:32,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:51:32,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:51:32,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:51:32,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:51:32,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:51:32,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:51:32,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:51:32,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:51:32,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:51:32,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:51:32,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:51:32,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:51:32,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:51:32,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:51:32,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:51:32,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:51:32,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:51:32,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:51:32,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:51:32,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:51:32,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:51:32,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:51:32,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:51:32,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:51:32,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:51:32,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:51:32,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:51:32,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:51:32,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:51:32,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:51:32,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:51:32,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:51:32,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:51:32,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:51:32,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:51:32,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:51:32,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:51:32,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:51:32,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:51:32,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:51:32,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:51:32,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:51:32,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:51:32,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:51:32,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:51:32,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:51:32,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:51:32,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:51:32,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:51:32,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:51:32,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:51:32,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:51:32,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:51:32,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:32,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:51:32,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:51:32,346 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:51:32,346 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:51:32,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:51:32,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:51:32,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:51:32,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:51:32,558 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:51:32,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2022-01-31 16:51:32,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3451362/5848162f25554cda9ac2fb548d194bd6/FLAG27df73a31 [2022-01-31 16:51:32,979 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:51:32,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2022-01-31 16:51:32,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3451362/5848162f25554cda9ac2fb548d194bd6/FLAG27df73a31 [2022-01-31 16:51:33,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3451362/5848162f25554cda9ac2fb548d194bd6 [2022-01-31 16:51:33,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:51:33,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:51:33,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:33,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:51:33,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:51:33,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7262c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33, skipping insertion in model container [2022-01-31 16:51:33,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:51:33,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:51:33,613 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/float_req_bl_0250a.c[5433,5446] [2022-01-31 16:51:33,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:33,623 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:51:33,659 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/float_req_bl_0250a.c[5433,5446] [2022-01-31 16:51:33,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:33,671 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:51:33,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33 WrapperNode [2022-01-31 16:51:33,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:33,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:51:33,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:51:33,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:51:33,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:51:33,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:51:33,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:51:33,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:51:33,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (1/1) ... [2022-01-31 16:51:33,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:51:33,764 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 16:51:33,785 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 16:51:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:51:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:51:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:51:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 16:51:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:51:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-01-31 16:51:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:51:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2022-01-31 16:51:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:51:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:51:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:51:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:51:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:51:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:51:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 16:51:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:51:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:51:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:51:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:51:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:51:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:51:33,911 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:51:33,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:34,192 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:34,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:34,198 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-01-31 16:51:34,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:34 BoogieIcfgContainer [2022-01-31 16:51:34,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:34,201 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:34,201 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:34,202 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:34,204 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:34" (1/1) ... [2022-01-31 16:51:34,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:34 BasicIcfg [2022-01-31 16:51:34,236 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:34,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:34,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:34,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:34,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:51:33" (1/4) ... [2022-01-31 16:51:34,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8c5d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:34, skipping insertion in model container [2022-01-31 16:51:34,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:33" (2/4) ... [2022-01-31 16:51:34,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8c5d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:34, skipping insertion in model container [2022-01-31 16:51:34,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:34" (3/4) ... [2022-01-31 16:51:34,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8c5d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:34, skipping insertion in model container [2022-01-31 16:51:34,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:34" (4/4) ... [2022-01-31 16:51:34,242 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.cJordan [2022-01-31 16:51:34,246 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:34,246 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:34,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:34,285 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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=FAST_UPR [2022-01-31 16:51:34,285 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 63 states have internal predecessors, (98), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 16:51:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 16:51:34,302 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:34,303 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] [2022-01-31 16:51:34,303 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash -594902750, now seen corresponding path program 1 times [2022-01-31 16:51:34,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:34,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187308605] [2022-01-31 16:51:34,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:34,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-01-31 16:51:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:34,582 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 16:51:34,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:34,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187308605] [2022-01-31 16:51:34,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187308605] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:34,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:34,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:34,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281442116] [2022-01-31 16:51:34,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:34,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:34,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:34,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:34,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:34,629 INFO L87 Difference]: Start difference. First operand has 76 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 63 states have internal predecessors, (98), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 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 16:51:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:34,928 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-01-31 16:51:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:34,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 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 21 [2022-01-31 16:51:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:34,940 INFO L225 Difference]: With dead ends: 76 [2022-01-31 16:51:34,941 INFO L226 Difference]: Without dead ends: 72 [2022-01-31 16:51:34,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:51:34,945 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 82 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:34,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 87 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:51:34,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-31 16:51:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-01-31 16:51:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 16:51:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-01-31 16:51:34,989 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2022-01-31 16:51:34,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:34,990 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-01-31 16:51:34,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 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 16:51:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2022-01-31 16:51:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 16:51:34,991 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:34,991 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 16:51:34,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:34,992 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:34,992 INFO L85 PathProgramCache]: Analyzing trace with hash -407974315, now seen corresponding path program 1 times [2022-01-31 16:51:34,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:34,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674789458] [2022-01-31 16:51:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:34,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:35,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:35,067 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:35,068 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:35,069 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:35,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:35,073 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:35,075 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:35,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:35 BasicIcfg [2022-01-31 16:51:35,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:35,120 INFO L158 Benchmark]: Toolchain (without parser) took 1726.13ms. Allocated memory was 176.2MB in the beginning and 273.7MB in the end (delta: 97.5MB). Free memory was 121.2MB in the beginning and 162.7MB in the end (delta: -41.6MB). Peak memory consumption was 55.3MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,121 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:35,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.82ms. Allocated memory was 176.2MB in the beginning and 273.7MB in the end (delta: 97.5MB). Free memory was 120.9MB in the beginning and 243.4MB in the end (delta: -122.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,124 INFO L158 Benchmark]: Boogie Preprocessor took 51.05ms. Allocated memory is still 273.7MB. Free memory was 243.4MB in the beginning and 240.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,125 INFO L158 Benchmark]: RCFGBuilder took 475.99ms. Allocated memory is still 273.7MB. Free memory was 240.8MB in the beginning and 220.4MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,126 INFO L158 Benchmark]: IcfgTransformer took 35.42ms. Allocated memory is still 273.7MB. Free memory was 220.4MB in the beginning and 218.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,126 INFO L158 Benchmark]: TraceAbstraction took 881.54ms. Allocated memory is still 273.7MB. Free memory was 217.8MB in the beginning and 162.7MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-01-31 16:51:35,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.82ms. Allocated memory was 176.2MB in the beginning and 273.7MB in the end (delta: 97.5MB). Free memory was 120.9MB in the beginning and 243.4MB in the end (delta: -122.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.05ms. Allocated memory is still 273.7MB. Free memory was 243.4MB in the beginning and 240.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.99ms. Allocated memory is still 273.7MB. Free memory was 240.8MB in the beginning and 220.4MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 35.42ms. Allocated memory is still 273.7MB. Free memory was 220.4MB in the beginning and 218.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 881.54ms. Allocated memory is still 273.7MB. Free memory was 217.8MB in the beginning and 162.7MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. 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: 235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=1000000000000000000000000000002, \old(huge_floor)=1000000000000000000000000000005, \old(one_asin)=1000000000000000000000000000013, \old(one_sqrt)=1000000000000000000000000000011, \old(pio2_hi_asin)=1000000000000000000000000000019, \old(pio2_lo_asin)=1000000000000000000000000000016, \old(pio4_hi_asin)=1000000000000000000000000000008, \old(pS0_asin)=1000000000000000000000000000001, \old(pS1_asin)=1000000000000000000000000000014, \old(pS2_asin)=1000000000000000000000000000006, \old(pS3_asin)=1000000000000000000000000000007, \old(pS4_asin)=1000000000000000000000000000022, \old(pS5_asin)=1000000000000000000000000000009, \old(qS1_asin)=1000000000000000000000000000003, \old(qS2_asin)=1000000000000000000000000000004, \old(qS3_asin)=1000000000000000000000000000010, \old(qS4_asin)=1000000000000000000000000000018, \old(tiny_sqrt)=1000000000000000000000000000020, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L230] float x = 1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L231] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=1000000000000000000000000000015, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000015, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000015, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000015, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] [L231] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=1000000000000000000000000000021, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] [L231] float res = __ieee754_asinf(x); [L234] CALL, EXPR isnan_float(res) VAL [\old(x)=1000000000000000000000000000021, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L60] return x != x; VAL [\old(x)=1000000000000000000000000000021, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000021] [L234] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000021, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000021, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000015] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 85 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 16:51:35,161 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...