./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:29:40,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:29:40,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:29:40,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:29:40,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:29:40,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:29:40,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:29:40,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:29:40,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:29:40,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:29:40,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:29:40,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:29:40,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:29:40,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:29:40,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:29:40,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:29:40,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:29:40,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:29:40,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:29:40,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:29:40,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:29:40,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:29:40,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:29:40,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:29:40,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:29:40,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:29:40,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:29:40,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:29:40,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:29:40,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:29:40,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:29:40,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:29:40,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:29:40,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:29:40,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:29:40,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:29:40,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:29:40,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:29:40,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:29:40,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:29:40,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:29:40,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:29:40,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:29:40,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:29:40,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:29:40,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:29:40,770 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:29:40,770 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:29:40,771 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:29:40,771 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:29:40,771 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:29:40,771 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:29:40,772 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:29:40,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:29:40,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:29:40,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:29:40,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:29:40,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:29:40,774 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:29:40,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:29:40,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:29:40,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:29:40,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:29:40,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:29:40,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:29:40,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:29:40,776 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:29:40,776 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 [2021-07-06 19:29:41,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:29:41,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:29:41,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:29:41,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:29:41,101 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:29:41,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2021-07-06 19:29:41,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157aa1684/4c3fe9c6da8c4448a35bf685aeddaca3/FLAG527697f89 [2021-07-06 19:29:41,616 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:29:41,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2021-07-06 19:29:41,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157aa1684/4c3fe9c6da8c4448a35bf685aeddaca3/FLAG527697f89 [2021-07-06 19:29:41,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157aa1684/4c3fe9c6da8c4448a35bf685aeddaca3 [2021-07-06 19:29:41,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:29:41,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:29:41,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:29:41,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:29:41,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:29:41,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c509f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41, skipping insertion in model container [2021-07-06 19:29:41,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:29:41,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:29:41,780 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2021-07-06 19:29:41,781 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2021-07-06 19:29:41,782 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2021-07-06 19:29:41,783 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2021-07-06 19:29:41,784 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2021-07-06 19:29:41,784 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2021-07-06 19:29:41,785 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2021-07-06 19:29:41,786 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2021-07-06 19:29:41,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:29:41,796 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:29:41,807 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2021-07-06 19:29:41,808 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2021-07-06 19:29:41,808 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2021-07-06 19:29:41,809 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2021-07-06 19:29:41,810 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2021-07-06 19:29:41,811 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2021-07-06 19:29:41,811 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2021-07-06 19:29:41,812 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2021-07-06 19:29:41,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:29:41,829 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:29:41,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41 WrapperNode [2021-07-06 19:29:41,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:29:41,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:29:41,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:29:41,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:29:41,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:29:41,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:29:41,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:29:41,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:29:41,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:29:41,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:29:41,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:29:41,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:29:41,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (1/1) ... [2021-07-06 19:29:41,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:29:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:29:41,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:29:41,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 19:29:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:29:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:29:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:29:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:29:42,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:29:42,278 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-06 19:29:42,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:42 BoogieIcfgContainer [2021-07-06 19:29:42,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:29:42,280 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:29:42,280 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:29:42,282 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:29:42,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:42,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:29:41" (1/3) ... [2021-07-06 19:29:42,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68df02fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:29:42, skipping insertion in model container [2021-07-06 19:29:42,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:42,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:41" (2/3) ... [2021-07-06 19:29:42,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68df02fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:29:42, skipping insertion in model container [2021-07-06 19:29:42,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:42,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:42" (3/3) ... [2021-07-06 19:29:42,286 INFO L389 chiAutomizerObserver]: Analyzing ICFG float13.c [2021-07-06 19:29:42,322 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:29:42,323 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:29:42,323 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:29:42,323 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:29:42,323 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:29:42,323 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:29:42,323 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:29:42,323 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:29:42,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:29:42,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:29:42,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:29:42,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:29:42 BoogieIcfgContainer [2021-07-06 19:29:42,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:29:42,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:29:42,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:29:42,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:29:42,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:42" (3/4) ... [2021-07-06 19:29:42,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:29:42,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:29:42,428 INFO L168 Benchmark]: Toolchain (without parser) took 781.69 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 50.5 MB in the end (delta: -14.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:42,428 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:42,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.12 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 41.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:42,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.31 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 41.1 MB in the beginning and 52.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:42,432 INFO L168 Benchmark]: Boogie Preprocessor took 32.49 ms. Allocated memory is still 69.2 MB. Free memory was 52.9 MB in the beginning and 51.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:42,433 INFO L168 Benchmark]: RCFGBuilder took 356.32 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 39.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:42,434 INFO L168 Benchmark]: BuchiAutomizer took 132.13 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 50.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:42,434 INFO L168 Benchmark]: Witness Printer took 9.38 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 50.5 MB in the end (delta: 433.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:42,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 184.12 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 41.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.31 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 41.1 MB in the beginning and 52.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.49 ms. Allocated memory is still 69.2 MB. Free memory was 52.9 MB in the beginning and 51.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 356.32 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 39.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 132.13 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 50.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 9.38 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 50.5 MB in the end (delta: 433.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:29:42,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...