./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg --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 afd3d60adf6d74af5e117b4ac2c7c77a7ae5adcf510e57462451615dfc94647e ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:59:22,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:59:22,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:59:22,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:59:22,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:59:22,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:59:22,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:59:22,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:59:22,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:59:22,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:59:22,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:59:22,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:59:22,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:59:22,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:59:22,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:59:22,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:59:22,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:59:22,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:59:22,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:59:22,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:59:22,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:59:22,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:59:22,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:59:22,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:59:22,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:59:22,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:59:22,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:59:22,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:59:22,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:59:22,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:59:22,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:59:22,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:59:22,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:59:22,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:59:22,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:59:22,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:59:22,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:59:22,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:59:22,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:59:22,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:59:22,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:59:22,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:59:22,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:59:22,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:59:22,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:59:22,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:59:22,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:59:22,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:59:22,820 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:59:22,820 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:59:22,820 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:59:22,821 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:59:22,822 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:59:22,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:59:22,823 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:59:22,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:59:22,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:59:22,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:59:22,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:59:22,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:59:22,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:59:22,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:59:22,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:59:22,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:59:22,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:59:22,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:59:22,826 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:59:22,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:59:22,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:59:22,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:59:22,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:59:22,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:59:22,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:59:22,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:59:22,832 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:59:22,833 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd3d60adf6d74af5e117b4ac2c7c77a7ae5adcf510e57462451615dfc94647e [2021-10-28 08:59:23,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:59:23,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:59:23,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:59:23,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:59:23,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:59:23,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/floats-cdfpl/square_2.i [2021-10-28 08:59:23,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/data/f9b78eb98/64f5b8c4a5e540b99c3045da38ec7a7b/FLAG33f7c9b07 [2021-10-28 08:59:24,128 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:59:24,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/sv-benchmarks/c/floats-cdfpl/square_2.i [2021-10-28 08:59:24,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/data/f9b78eb98/64f5b8c4a5e540b99c3045da38ec7a7b/FLAG33f7c9b07 [2021-10-28 08:59:24,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/data/f9b78eb98/64f5b8c4a5e540b99c3045da38ec7a7b [2021-10-28 08:59:24,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:59:24,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:59:24,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:24,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:59:24,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:59:24,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59248174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24, skipping insertion in model container [2021-10-28 08:59:24,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:59:24,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:59:24,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/sv-benchmarks/c/floats-cdfpl/square_2.i[1129,1142] [2021-10-28 08:59:24,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:24,839 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:59:24,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/sv-benchmarks/c/floats-cdfpl/square_2.i[1129,1142] [2021-10-28 08:59:24,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:24,889 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:59:24,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24 WrapperNode [2021-10-28 08:59:24,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:24,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:24,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:59:24,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:59:24,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:24,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:59:24,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:59:24,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:59:24,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:24,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:59:24,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:59:24,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:59:24,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:59:24,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (1/1) ... [2021-10-28 08:59:25,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:59:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:59:25,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:59:25,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:59:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:59:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:59:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:59:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:59:25,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:59:25,376 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 08:59:25,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:25 BoogieIcfgContainer [2021-10-28 08:59:25,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:59:25,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:59:25,382 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:59:25,385 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:59:25,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:59:25,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:59:24" (1/3) ... [2021-10-28 08:59:25,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2419879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:59:25, skipping insertion in model container [2021-10-28 08:59:25,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:59:25,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:24" (2/3) ... [2021-10-28 08:59:25,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2419879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:59:25, skipping insertion in model container [2021-10-28 08:59:25,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:59:25,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:25" (3/3) ... [2021-10-28 08:59:25,392 INFO L389 chiAutomizerObserver]: Analyzing ICFG square_2.i [2021-10-28 08:59:25,460 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:59:25,460 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:59:25,460 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:59:25,461 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:59:25,461 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:59:25,461 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:59:25,461 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:59:25,461 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:59:25,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2021-10-28 08:59:25,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:59:25,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:59:25,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:59:25 BoogieIcfgContainer [2021-10-28 08:59:25,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:59:25,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:59:25,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:59:25,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:59:25,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:25" (3/4) ... [2021-10-28 08:59:25,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:59:25,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:59:25,528 INFO L168 Benchmark]: Toolchain (without parser) took 1024.98 ms. Allocated memory is still 115.3 MB. Free memory was 84.9 MB in the beginning and 72.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,530 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 115.3 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:25,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.58 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 89.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 87.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,539 INFO L168 Benchmark]: Boogie Preprocessor took 49.37 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 86.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,541 INFO L168 Benchmark]: RCFGBuilder took 386.55 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 78.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,542 INFO L168 Benchmark]: BuchiAutomizer took 134.56 ms. Allocated memory is still 115.3 MB. Free memory was 78.0 MB in the beginning and 73.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:25,543 INFO L168 Benchmark]: Witness Printer took 6.16 ms. Allocated memory is still 115.3 MB. Free memory is still 72.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:25,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 115.3 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.58 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 89.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 87.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.37 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 86.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 386.55 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 78.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 134.56 ms. Allocated memory is still 115.3 MB. Free memory was 78.0 MB in the beginning and 73.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 6.16 ms. Allocated memory is still 115.3 MB. Free memory is still 72.9 MB. 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! [2021-10-28 08:59:25,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_033b81ac-7135-496c-b0b9-e828cc0d73c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...