./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF --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 774a580136eb5be5517f5bdf88a1aea58349f7d80571f2499dc303b413dfbdb7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:16:26,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:16:26,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:16:26,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:16:26,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:16:26,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:16:26,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:16:26,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:16:26,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:16:26,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:16:26,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:16:26,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:16:26,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:16:26,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:16:26,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:16:26,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:16:26,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:16:26,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:16:26,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:16:26,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:16:26,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:16:26,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:16:26,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:16:26,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:16:26,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:16:26,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:16:26,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:16:26,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:16:26,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:16:26,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:16:26,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:16:26,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:16:26,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:16:26,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:16:26,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:16:26,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:16:26,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:16:26,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:16:26,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:16:26,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:16:26,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:16:26,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:16:26,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:16:26,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:16:26,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:16:26,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:16:26,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:16:26,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:16:26,908 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:16:26,908 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:16:26,908 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:16:26,909 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:16:26,909 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:16:26,909 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:16:26,909 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:16:26,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:16:26,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:16:26,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:16:26,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:16:26,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:16:26,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:16:26,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:16:26,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:16:26,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:16:26,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:16:26,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:16:26,912 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:16:26,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:16:26,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:16:26,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:16:26,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:16:26,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:16:26,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:16:26,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:16:26,915 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:16:26,915 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_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 774a580136eb5be5517f5bdf88a1aea58349f7d80571f2499dc303b413dfbdb7 [2021-11-20 06:16:27,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:16:27,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:16:27,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:16:27,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:16:27,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:16:27,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-regression/test04.c [2021-11-20 06:16:27,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/data/a696c53a7/5b9f6026b5c04abaac4172337237188a/FLAGa13220bb4 [2021-11-20 06:16:28,044 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:16:28,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/sv-benchmarks/c/ldv-regression/test04.c [2021-11-20 06:16:28,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/data/a696c53a7/5b9f6026b5c04abaac4172337237188a/FLAGa13220bb4 [2021-11-20 06:16:28,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/data/a696c53a7/5b9f6026b5c04abaac4172337237188a [2021-11-20 06:16:28,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:16:28,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:16:28,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:16:28,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:16:28,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:16:28,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc115dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28, skipping insertion in model container [2021-11-20 06:16:28,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:16:28,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:16:28,687 WARN L230 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_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/sv-benchmarks/c/ldv-regression/test04.c[459,472] [2021-11-20 06:16:28,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:16:28,697 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:16:28,710 WARN L230 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_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/sv-benchmarks/c/ldv-regression/test04.c[459,472] [2021-11-20 06:16:28,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:16:28,728 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:16:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28 WrapperNode [2021-11-20 06:16:28,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:16:28,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:16:28,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:16:28,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:16:28,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,765 INFO L137 Inliner]: procedures = 13, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-20 06:16:28,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:16:28,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:16:28,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:16:28,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:16:28,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:16:28,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:16:28,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:16:28,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:16:28,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (1/1) ... [2021-11-20 06:16:28,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:16:28,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:16:28,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:16:28,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:16:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:16:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:16:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:16:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:16:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:16:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:16:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:16:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:16:28,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:16:28,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:16:29,061 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:16:29,067 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:16:29,067 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:16:29,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:29 BoogieIcfgContainer [2021-11-20 06:16:29,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:16:29,070 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:16:29,071 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:16:29,074 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:16:29,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:16:29,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:16:28" (1/3) ... [2021-11-20 06:16:29,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@368fe38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:16:29, skipping insertion in model container [2021-11-20 06:16:29,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:16:29,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:28" (2/3) ... [2021-11-20 06:16:29,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@368fe38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:16:29, skipping insertion in model container [2021-11-20 06:16:29,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:16:29,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:29" (3/3) ... [2021-11-20 06:16:29,079 INFO L388 chiAutomizerObserver]: Analyzing ICFG test04.c [2021-11-20 06:16:29,144 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:16:29,145 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:16:29,145 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:16:29,145 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:16:29,161 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:16:29,162 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:16:29,162 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:16:29,162 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:16:29,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-11-20 06:16:29,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:16:29,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:16:29,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:16:29 BoogieIcfgContainer [2021-11-20 06:16:29,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:16:29,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:16:29,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:16:29,219 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:16:29,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:16:29" (3/4) ... [2021-11-20 06:16:29,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:16:29,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:16:29,225 INFO L158 Benchmark]: Toolchain (without parser) took 786.15ms. Allocated memory is still 94.4MB. Free memory was 53.3MB in the beginning and 52.3MB in the end (delta: 955.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:16:29,226 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:16:29,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.10ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 69.9MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:16:29,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:16:29,229 INFO L158 Benchmark]: Boogie Preprocessor took 19.47ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 67.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:16:29,230 INFO L158 Benchmark]: RCFGBuilder took 279.99ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 57.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:16:29,231 INFO L158 Benchmark]: BuchiAutomizer took 147.67ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 52.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:16:29,232 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 52.3MB in the end (delta: 275.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:16:29,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.10ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 69.9MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.47ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 67.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.99ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 57.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 147.67ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 52.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 52.3MB in the end (delta: 275.6kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 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! [2021-11-20 06:16:29,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2768e39d-b8f7-45ff-a1e5-83fcb50b8580/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE