/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_0270a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:51:37,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:51:37,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:51:37,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:51:37,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:51:37,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:51:37,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:51:37,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:51:37,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:51:37,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:51:37,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:51:37,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:51:37,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:51:37,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:51:37,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:51:37,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:51:37,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:51:37,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:51:37,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:51:37,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:51:37,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:51:37,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:51:37,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:51:37,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:51:37,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:51:37,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:51:37,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:51:37,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:51:37,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:51:37,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:51:37,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:51:37,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:51:37,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:51:37,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:51:37,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:51:37,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:51:37,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:51:37,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:51:37,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:51:37,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:51:37,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:51:37,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:51:37,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:51:37,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:51:37,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:51:37,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:51:37,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:51:37,460 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:51:37,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:51:37,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:51:37,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:51:37,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:51:37,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:51:37,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:51:37,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:51:37,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:37,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:51:37,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:51:37,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:51:37,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:51:37,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:51:37,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:51:37,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:51:37,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:51:37,648 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:51:37,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2022-01-31 16:51:37,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043889a8c/ae4d196d25cc4fb9b4b46a26e50cc1e2/FLAG21ced2cd8 [2022-01-31 16:51:38,054 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:51:38,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2022-01-31 16:51:38,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043889a8c/ae4d196d25cc4fb9b4b46a26e50cc1e2/FLAG21ced2cd8 [2022-01-31 16:51:38,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043889a8c/ae4d196d25cc4fb9b4b46a26e50cc1e2 [2022-01-31 16:51:38,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:51:38,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:51:38,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:38,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:51:38,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:51:38,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b8f56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38, skipping insertion in model container [2022-01-31 16:51:38,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:51:38,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:51:38,236 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_0270a.c[4702,4715] [2022-01-31 16:51:38,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:38,242 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:51:38,265 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_0270a.c[4702,4715] [2022-01-31 16:51:38,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:51:38,274 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:51:38,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38 WrapperNode [2022-01-31 16:51:38,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:51:38,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:51:38,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:51:38,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:51:38,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:51:38,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:51:38,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:51:38,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:51:38,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:51:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:51:38,345 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 16:51:38,354 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 16:51:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2022-01-31 16:51:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:51:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:51:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2022-01-31 16:51:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:51:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:51:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:51:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:51:38,450 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:51:38,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:51:38,702 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:51:38,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:51:38,706 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-01-31 16:51:38,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:38 BoogieIcfgContainer [2022-01-31 16:51:38,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:51:38,708 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:51:38,708 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:51:38,708 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:51:38,710 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:38" (1/1) ... [2022-01-31 16:51:38,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:38 BasicIcfg [2022-01-31 16:51:38,730 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:51:38,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:51:38,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:51:38,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:51:38,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:51:38" (1/4) ... [2022-01-31 16:51:38,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:38, skipping insertion in model container [2022-01-31 16:51:38,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:51:38" (2/4) ... [2022-01-31 16:51:38,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:51:38, skipping insertion in model container [2022-01-31 16:51:38,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:51:38" (3/4) ... [2022-01-31 16:51:38,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:38, skipping insertion in model container [2022-01-31 16:51:38,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:51:38" (4/4) ... [2022-01-31 16:51:38,735 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.cJordan [2022-01-31 16:51:38,738 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:51:38,738 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:51:38,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:51:38,767 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 16:51:38,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:51:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 67 states have internal predecessors, (105), 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 16:51:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 16:51:38,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:38,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:51:38,807 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:38,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:38,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2035859619, now seen corresponding path program 1 times [2022-01-31 16:51:38,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:38,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631745745] [2022-01-31 16:51:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:38,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:51:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:51:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:51:39,061 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 16:51:39,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:51:39,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631745745] [2022-01-31 16:51:39,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631745745] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:51:39,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:51:39,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:51:39,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090586692] [2022-01-31 16:51:39,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:51:39,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:51:39,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:51:39,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:51:39,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:51:39,092 INFO L87 Difference]: Start difference. First operand has 80 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 67 states have internal predecessors, (105), 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 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16:51:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:51:39,321 INFO L93 Difference]: Finished difference Result 80 states and 98 transitions. [2022-01-31 16:51:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:51:39,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 17 [2022-01-31 16:51:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:51:39,328 INFO L225 Difference]: With dead ends: 80 [2022-01-31 16:51:39,328 INFO L226 Difference]: Without dead ends: 76 [2022-01-31 16:51:39,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 16:51:39,331 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 85 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:51:39,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 91 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:51:39,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-31 16:51:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-31 16:51:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.296875) internal successors, (83), 64 states have internal predecessors, (83), 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 16:51:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2022-01-31 16:51:39,354 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2022-01-31 16:51:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:51:39,354 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2022-01-31 16:51:39,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16:51:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2022-01-31 16:51:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 16:51:39,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:51:39,355 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 16:51:39,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:51:39,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:51:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:51:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash -959091428, now seen corresponding path program 1 times [2022-01-31 16:51:39,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:51:39,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039196782] [2022-01-31 16:51:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:51:39,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:51:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:39,376 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:51:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:51:39,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:51:39,404 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:51:39,405 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:51:39,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:51:39,408 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:51:39,410 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:51:39,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:51:39 BasicIcfg [2022-01-31 16:51:39,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:51:39,433 INFO L158 Benchmark]: Toolchain (without parser) took 1361.75ms. Allocated memory is still 192.9MB. Free memory was 144.9MB in the beginning and 90.0MB in the end (delta: 54.9MB). Peak memory consumption was 54.0MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,433 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:51:39,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.97ms. Allocated memory is still 192.9MB. Free memory was 144.7MB in the beginning and 168.1MB in the end (delta: -23.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,434 INFO L158 Benchmark]: Boogie Preprocessor took 34.25ms. Allocated memory is still 192.9MB. Free memory was 168.1MB in the beginning and 165.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,434 INFO L158 Benchmark]: RCFGBuilder took 397.13ms. Allocated memory is still 192.9MB. Free memory was 165.5MB in the beginning and 147.1MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,435 INFO L158 Benchmark]: IcfgTransformer took 22.23ms. Allocated memory is still 192.9MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,440 INFO L158 Benchmark]: TraceAbstraction took 701.88ms. Allocated memory is still 192.9MB. Free memory was 144.5MB in the beginning and 90.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-01-31 16:51:39,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.97ms. Allocated memory is still 192.9MB. Free memory was 144.7MB in the beginning and 168.1MB in the end (delta: -23.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.25ms. Allocated memory is still 192.9MB. Free memory was 168.1MB in the beginning and 165.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 397.13ms. Allocated memory is still 192.9MB. Free memory was 165.5MB in the beginning and 147.1MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * IcfgTransformer took 22.23ms. Allocated memory is still 192.9MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 701.88ms. Allocated memory is still 192.9MB. Free memory was 144.5MB in the beginning and 90.0MB in the end (delta: 54.5MB). 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: 200]: 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 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 127, overapproximation of someUnaryFLOAToperation at line 195, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] 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(one_asin)=1000000000000000000000000000012, \old(one_sqrt)=1000000000000000000000000000010, \old(pio2_hi_asin)=1000000000000000000000000000018, \old(pio2_lo_asin)=1000000000000000000000000000015, \old(pio4_hi_asin)=1000000000000000000000000000007, \old(pS0_asin)=1000000000000000000000000000001, \old(pS1_asin)=1000000000000000000000000000013, \old(pS2_asin)=1000000000000000000000000000005, \old(pS3_asin)=1000000000000000000000000000006, \old(pS4_asin)=1000000000000000000000000000021, \old(pS5_asin)=1000000000000000000000000000008, \old(qS1_asin)=1000000000000000000000000000003, \old(qS2_asin)=1000000000000000000000000000004, \old(qS3_asin)=1000000000000000000000000000009, \old(qS4_asin)=1000000000000000000000000000017, \old(tiny_sqrt)=1000000000000000000000000000019, huge_asin=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] [L195] float x = -0.0f; VAL [huge_asin=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] [L196] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=1000000000000000000000000000014, huge_asin=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] [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000014, huge_asin=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=1000000000000000000000000000014] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, hx=-1, 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=1000000000000000000000000000014] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000014, huge_asin=1000000000000000000000000000000, hx=-1, 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=1000000000000000000000000000014] [L196] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=1000000000000000000000000000020, huge_asin=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=1000000000000000000000000000014] [L196] float res = __ieee754_asinf(x); [L199] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=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=1000000000000000000000000000020, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] [L199] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L200] reach_error() VAL [huge_asin=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=1000000000000000000000000000020, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000014] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 89 mSDtfsCounter, 97 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 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 16:51:39,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...