./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/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_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/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 64bit --witnessprinter.graph.data.programhash 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:10:31,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:10:31,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:10:31,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:10:31,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:10:31,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:10:31,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:10:31,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:10:31,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:10:31,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:10:31,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:10:31,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:10:31,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:10:31,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:10:31,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:10:31,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:10:31,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:10:31,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:10:31,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:10:31,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:10:31,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:10:31,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:10:31,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:10:31,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:10:31,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:10:31,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:10:31,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:10:31,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:10:31,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:10:31,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:10:31,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:10:31,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:10:31,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:10:31,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:10:31,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:10:31,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:10:31,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:10:31,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:10:31,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:10:31,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:10:31,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:10:31,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:10:31,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:10:31,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:10:31,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:10:31,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:10:31,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:10:31,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:10:31,938 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:10:31,938 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:10:31,938 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:10:31,939 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:10:31,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:10:31,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:10:31,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:10:31,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:10:31,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:10:31,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:10:31,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:10:31,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:10:31,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:10:31,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:10:31,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:10:31,943 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:10:31,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:10:31,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:10:31,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:10:31,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:10:31,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:10:31,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:10:31,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:10:31,947 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:10:31,947 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_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 [2021-10-28 09:10:32,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:10:32,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:10:32,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:10:32,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:10:32,309 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:10:32,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted/Benghazi.c [2021-10-28 09:10:32,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/data/4a81f22d3/25b934fa6490449cb1daa11bff03eb6f/FLAG745287ec6 [2021-10-28 09:10:32,987 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:10:32,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/sv-benchmarks/c/termination-crafted/Benghazi.c [2021-10-28 09:10:33,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/data/4a81f22d3/25b934fa6490449cb1daa11bff03eb6f/FLAG745287ec6 [2021-10-28 09:10:33,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/data/4a81f22d3/25b934fa6490449cb1daa11bff03eb6f [2021-10-28 09:10:33,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:10:33,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:10:33,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:33,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:10:33,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:10:33,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae1edca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33, skipping insertion in model container [2021-10-28 09:10:33,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:10:33,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:10:33,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:33,631 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:10:33,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:33,671 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:10:33,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33 WrapperNode [2021-10-28 09:10:33,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:33,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:33,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:10:33,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:10:33,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:33,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:10:33,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:10:33,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:10:33,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:10:33,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:10:33,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:10:33,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:10:33,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (1/1) ... [2021-10-28 09:10:33,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:33,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:33,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:33,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:10:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:10:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:10:33,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:10:33,992 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:10:33,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:33 BoogieIcfgContainer [2021-10-28 09:10:33,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:10:33,998 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:10:33,999 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:10:34,002 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:10:34,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:34,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:10:33" (1/3) ... [2021-10-28 09:10:34,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9eed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:34, skipping insertion in model container [2021-10-28 09:10:34,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:34,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:33" (2/3) ... [2021-10-28 09:10:34,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9eed76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:34, skipping insertion in model container [2021-10-28 09:10:34,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:34,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:33" (3/3) ... [2021-10-28 09:10:34,009 INFO L389 chiAutomizerObserver]: Analyzing ICFG Benghazi.c [2021-10-28 09:10:34,069 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:10:34,069 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:10:34,069 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:10:34,070 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:10:34,070 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:10:34,070 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:10:34,070 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:10:34,070 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:10:34,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 09:10:34,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:10:34,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:34,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:34,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:10:34,111 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:10:34,111 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:10:34,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 09:10:34,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:10:34,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:34,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:34,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:10:34,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:10:34,120 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~d1~0, main_~d2~0, main_~d1old~0;havoc main_~x~0;havoc main_~d1~0;havoc main_~d2~0;havoc main_~d1old~0;main_~d1~0 := 73;main_~d2~0 := 74;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 7#L22-2true [2021-10-28 09:10:34,120 INFO L793 eck$LassoCheckResult]: Loop: 7#L22-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~d1~0;main_~d1old~0 := main_~d1~0;main_~d1~0 := 1 + main_~d2~0;main_~d2~0 := 1 + main_~d1old~0; 7#L22-2true [2021-10-28 09:10:34,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:34,127 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:10:34,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:34,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287948774] [2021-10-28 09:10:34,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:34,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:34,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 09:10:34,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:34,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800243054] [2021-10-28 09:10:34,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:34,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,287 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:34,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 09:10:34,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:34,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168329088] [2021-10-28 09:10:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:34,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,309 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:34,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:34,462 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:34,463 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:34,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:34,464 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:34,464 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:10:34,464 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:34,465 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:34,465 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:34,465 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2021-10-28 09:10:34,465 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:34,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:34,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:34,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:34,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:34,619 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:34,620 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:10:34,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:34,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:34,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:34,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:34,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:34,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:10:34,667 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:34,667 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:34,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:34,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:34,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:34,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:34,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:34,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:10:34,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:34,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:34,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:34,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:34,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:34,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:34,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:34,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:10:34,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:34,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:34,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:34,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:34,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:10:34,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:34,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:10:37,370 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:10:37,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,386 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:37,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:37,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:37,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:37,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:37,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:37,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:37,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2021-10-28 09:10:37,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:37,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:37,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:37,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:37,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:37,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:37,485 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:37,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:37,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:37,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:10:37,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,569 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:10:37,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:37,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:37,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:37,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:10:37,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:37,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:37,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:37,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:37,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 09:10:37,721 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:10:37,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,723 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:10:37,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,733 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:10:37,747 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:10:37,747 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:10:37,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,798 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:10:37,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,811 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:10:37,816 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:10:37,816 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:10:37,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,859 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:10:37,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:37,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,870 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:10:37,876 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:10:37,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:37,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:37,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:37,972 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:10:37,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:37,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:10:37,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:37,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:37,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:37,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:37,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:10:37,995 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 09:10:37,995 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:10:38,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:38,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:38,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:38,033 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:38,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:10:38,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:38,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:38,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:38,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:38,046 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:10:38,051 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 09:10:38,051 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:10:38,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:38,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:38,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:38,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:38,100 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:38,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:10:38,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:38,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:38,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:38,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:38,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:38,114 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:10:38,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:38,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:38,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:38,171 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:10:38,171 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:10:38,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:38,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:38,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:38,224 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:10:38,224 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:38,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d2~0 - 1*ULTIMATE.start_main_~d1~0 f1 = -1*ULTIMATE.start_main_~d1~0 + 2*ULTIMATE.start_main_~x~0 + 1 f2 = 1*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2021-10-28 09:10:38,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:10:38,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:38,263 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:10:38,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:38,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:10:38,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:38,337 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:10:38,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:38,352 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 09:10:38,360 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 09:10:38,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-28 09:10:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 09:10:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 09:10:38,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 09:10:38,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:38,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 09:10:38,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:38,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 09:10:38,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:38,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 09:10:38,422 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:10:38,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 09:10:38,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:10:38,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:10:38,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:10:38,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:38,427 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:38,427 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:38,427 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:38,427 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:10:38,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:10:38,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:10:38,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:10:38,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:10:38 BoogieIcfgContainer [2021-10-28 09:10:38,434 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:10:38,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:10:38,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:10:38,436 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:10:38,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:33" (3/4) ... [2021-10-28 09:10:38,440 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:10:38,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:10:38,442 INFO L168 Benchmark]: Toolchain (without parser) took 5061.67 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 57.2 MB in the beginning and 76.0 MB in the end (delta: -18.8 MB). Peak memory consumption was 442.9 kB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,444 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:38,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.00 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 67.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.72 ms. Allocated memory is still 90.2 MB. Free memory was 67.4 MB in the beginning and 66.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:38,453 INFO L168 Benchmark]: Boogie Preprocessor took 18.78 ms. Allocated memory is still 90.2 MB. Free memory was 66.2 MB in the beginning and 65.3 MB in the end (delta: 905.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,454 INFO L168 Benchmark]: RCFGBuilder took 263.29 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 57.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,455 INFO L168 Benchmark]: BuchiAutomizer took 4436.16 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 57.6 MB in the beginning and 76.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,456 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 76.0 MB in the end (delta: 757.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:38,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 292.00 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 67.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.72 ms. Allocated memory is still 90.2 MB. Free memory was 67.4 MB in the beginning and 66.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.78 ms. Allocated memory is still 90.2 MB. Free memory was 66.2 MB in the beginning and 65.3 MB in the end (delta: 905.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 263.29 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 57.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4436.16 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 57.6 MB in the beginning and 76.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 76.0 MB in the end (delta: 757.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if -1 * d2 + -1 * d1 > 0 then 2 else (if -1 * d1 + 2 * x + 1 > 0 then 1 else 0)), (if -1 * d2 + -1 * d1 > 0 then -1 * d2 + -1 * d1 else (if -1 * d1 + 2 * x + 1 > 0 then -1 * d1 + 2 * x + 1 else x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:10:38,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:38,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f81b8d8-f34b-4b17-b5d8-56a81659d51c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...