/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/floats-cbmc-regression/float22.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:38:18,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:38:18,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:38:18,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:38:18,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:38:18,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:38:18,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:38:18,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:38:18,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:38:18,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:38:18,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:38:18,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:38:18,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:38:18,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:38:18,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:38:18,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:38:18,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:38:18,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:38:18,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:38:18,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:38:18,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:38:18,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:38:18,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:38:18,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:38:18,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:38:18,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:38:18,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:38:18,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:38:18,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:38:18,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:38:18,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:38:18,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:38:18,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:38:18,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:38:18,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:38:18,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:38:18,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:38:18,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:38:18,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:38:18,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:38:18,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:38:18,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:38:18,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:38:18,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:38:18,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:38:18,458 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:38:18,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:38:18,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:38:18,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:38:18,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:38:18,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:38:18,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:38:18,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:38:18,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:38:18,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:38:18,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:38:18,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:38:18,461 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:38:18,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:38:18,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:38:18,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:38:18,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:38:18,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:38:18,704 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:38:18,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float22.i [2022-01-31 16:38:18,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9002cd040/cc2f44df7ac14406882082afb5aa773a/FLAG6e0b01c66 [2022-01-31 16:38:19,083 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:38:19,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i [2022-01-31 16:38:19,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9002cd040/cc2f44df7ac14406882082afb5aa773a/FLAG6e0b01c66 [2022-01-31 16:38:19,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9002cd040/cc2f44df7ac14406882082afb5aa773a [2022-01-31 16:38:19,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:38:19,533 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:38:19,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:38:19,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:38:19,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:38:19,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc335bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19, skipping insertion in model container [2022-01-31 16:38:19,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:38:19,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:38:19,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2558,2571] [2022-01-31 16:38:19,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2753,2766] [2022-01-31 16:38:19,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2881,2894] [2022-01-31 16:38:19,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[3073,3086] [2022-01-31 16:38:19,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:38:19,740 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:38:19,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2558,2571] [2022-01-31 16:38:19,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2753,2766] [2022-01-31 16:38:19,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2881,2894] [2022-01-31 16:38:19,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[3073,3086] [2022-01-31 16:38:19,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:38:19,767 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:38:19,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19 WrapperNode [2022-01-31 16:38:19,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:38:19,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:38:19,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:38:19,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:38:19,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:38:19,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:38:19,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:38:19,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:38:19,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (1/1) ... [2022-01-31 16:38:19,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:38:19,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:38:19,819 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 16:38:19,839 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 16:38:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:38:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure testOne [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure testTwo [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure testThree [2022-01-31 16:38:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:38:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:38:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:38:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-01-31 16:38:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-01-31 16:38:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure testOne [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure testTwo [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure testThree [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:38:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:38:19,903 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:38:19,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:38:20,112 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:38:20,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:38:20,117 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 16:38:20,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:20 BoogieIcfgContainer [2022-01-31 16:38:20,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:38:20,118 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:38:20,118 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:38:20,119 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:38:20,121 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:20" (1/1) ... [2022-01-31 16:38:20,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:38:20 BasicIcfg [2022-01-31 16:38:20,138 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:38:20,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:38:20,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:38:20,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:38:20,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:38:19" (1/4) ... [2022-01-31 16:38:20,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1dafaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:38:20, skipping insertion in model container [2022-01-31 16:38:20,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:38:19" (2/4) ... [2022-01-31 16:38:20,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1dafaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:38:20, skipping insertion in model container [2022-01-31 16:38:20,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:38:20" (3/4) ... [2022-01-31 16:38:20,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1dafaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:38:20, skipping insertion in model container [2022-01-31 16:38:20,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:38:20" (4/4) ... [2022-01-31 16:38:20,144 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.iJordan [2022-01-31 16:38:20,147 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:38:20,147 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-01-31 16:38:20,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:38:20,182 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 16:38:20,182 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-31 16:38:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 38 states have internal predecessors, (42), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-31 16:38:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 16:38:20,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:38:20,205 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:38:20,205 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting testOneErr0ASSERT_VIOLATIONERROR_FUNCTION === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-31 16:38:20,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:38:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash 791486062, now seen corresponding path program 1 times [2022-01-31 16:38:20,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:38:20,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153549832] [2022-01-31 16:38:20,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:38:20,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:38:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:38:20,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:38:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:38:20,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:38:20,518 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:38:20,519 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location testOneErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-31 16:38:20,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-01-31 16:38:20,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-01-31 16:38:20,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-31 16:38:20,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:38:20,524 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-31 16:38:20,526 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:38:20,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-01-31 16:38:20,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-01-31 16:38:20,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,536 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-01-31 16:38:20,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-01-31 16:38:20,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled [2022-01-31 16:38:20,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:38:20 BasicIcfg [2022-01-31 16:38:20,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:38:20,554 INFO L158 Benchmark]: Toolchain (without parser) took 1021.17ms. Allocated memory is still 255.9MB. Free memory was 202.5MB in the beginning and 181.2MB in the end (delta: 21.3MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,555 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 219.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:38:20,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.60ms. Allocated memory is still 255.9MB. Free memory was 202.3MB in the beginning and 226.8MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,563 INFO L158 Benchmark]: Boogie Preprocessor took 23.91ms. Allocated memory is still 255.9MB. Free memory was 226.8MB in the beginning and 224.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,563 INFO L158 Benchmark]: RCFGBuilder took 325.49ms. Allocated memory is still 255.9MB. Free memory was 224.7MB in the beginning and 207.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,564 INFO L158 Benchmark]: IcfgTransformer took 20.17ms. Allocated memory is still 255.9MB. Free memory was 207.4MB in the beginning and 205.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,564 INFO L158 Benchmark]: TraceAbstraction took 414.05ms. Allocated memory is still 255.9MB. Free memory was 204.8MB in the beginning and 181.2MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-31 16:38:20,566 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 255.9MB. Free memory is still 219.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 233.60ms. Allocated memory is still 255.9MB. Free memory was 202.3MB in the beginning and 226.8MB in the end (delta: -24.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.91ms. Allocated memory is still 255.9MB. Free memory was 226.8MB in the beginning and 224.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 325.49ms. Allocated memory is still 255.9MB. Free memory was 224.7MB in the beginning and 207.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * IcfgTransformer took 20.17ms. Allocated memory is still 255.9MB. Free memory was 207.4MB in the beginning and 205.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 414.05ms. Allocated memory is still 255.9MB. Free memory was 204.8MB in the beginning and 181.2MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret7 : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 144]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 130. Possible FailurePath: [L179] CALL testOne() [L139] ieee754_float f1, f2; VAL [f1={6:0}, f2={5:0}] [L141] CALL, EXPR returnsStructure(0) VAL [\old(index)=0] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; VAL [\old(index)=0, index=0, unknown-#res!f-unknown=62, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=0] [L141] RET, EXPR returnsStructure(0) VAL [f1={6:0}, f2={5:0}, returnsStructure(0)=0returnsStructure(0)=0returnsStructure(0)=62returnsStructure(0)=0] [L141] f1 = returnsStructure(0) [L142] CALL, EXPR returnsStructure(1) VAL [\old(index)=1] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; VAL [\old(index)=1, index=1, unknown-#res!f-unknown=59, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=0] [L142] RET, EXPR returnsStructure(1) VAL [f1={6:0}, f2={5:0}, returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=59] [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative VAL [f1={6:0}, f1.ieee.negative=0, f2={5:0}, f2.ieee.negative=0] [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() VAL [f1={6:0}, f2={5:0}] - UnprovableResult [Line: 173]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 16:38:20,590 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...