./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer --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 5a96d8f7116f07c51cbc3e08fb353595839e97bf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:14,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:14,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:14,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:14,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:14,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:14,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:14,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:14,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:14,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:14,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:14,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:14,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:14,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:14,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:14,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:14,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:14,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:14,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:14,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:14,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:14,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:14,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:14,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:14,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:14,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:14,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:14,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:14,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:14,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:14,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:14,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:14,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:14,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:14,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:14,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:14,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:14,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:14,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:14,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:14,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:14,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 02:57:14,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:14,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:14,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:14,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:14,729 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:14,729 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:57:14,729 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:57:14,729 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:57:14,730 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:57:14,730 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:57:14,730 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:57:14,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:14,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:14,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:57:14,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:14,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:14,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:14,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:57:14,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:57:14,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:57:14,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:14,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:14,733 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:57:14,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:14,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:57:14,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:14,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:14,734 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:57:14,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:14,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:14,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:14,735 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:57:14,736 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:57:14,736 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-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a96d8f7116f07c51cbc3e08fb353595839e97bf [2020-11-28 02:57:14,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:15,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:15,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:15,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:15,031 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:15,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_01.c [2020-11-28 02:57:15,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/data/9381c772d/44911cc8624a40b0848f496827647230/FLAG38289009c [2020-11-28 02:57:15,503 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:15,504 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/sv-benchmarks/c/loops/terminator_01.c [2020-11-28 02:57:15,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/data/9381c772d/44911cc8624a40b0848f496827647230/FLAG38289009c [2020-11-28 02:57:15,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/data/9381c772d/44911cc8624a40b0848f496827647230 [2020-11-28 02:57:15,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:15,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:15,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:15,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:15,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:15,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf6ccc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15, skipping insertion in model container [2020-11-28 02:57:15,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:15,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:15,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:15,805 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:15,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:15,841 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:15,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15 WrapperNode [2020-11-28 02:57:15,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:15,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:15,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:15,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:15,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:15,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:15,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:15,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:15,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... [2020-11-28 02:57:15,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:15,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:15,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:15,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:15,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:57:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:57:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:57:16,280 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:16,280 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:57:16,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16 BoogieIcfgContainer [2020-11-28 02:57:16,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:16,298 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:57:16,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:57:16,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:57:16,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:16,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:57:15" (1/3) ... [2020-11-28 02:57:16,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ae13f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:16, skipping insertion in model container [2020-11-28 02:57:16,303 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:16,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:15" (2/3) ... [2020-11-28 02:57:16,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ae13f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:16, skipping insertion in model container [2020-11-28 02:57:16,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:16,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16" (3/3) ... [2020-11-28 02:57:16,305 INFO L373 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2020-11-28 02:57:16,379 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:57:16,379 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:57:16,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:57:16,380 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:16,380 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:16,380 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:57:16,380 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:16,380 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:57:16,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:57:16,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 02:57:16,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:57:16,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:57:16,412 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 02:57:16,413 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 02:57:16,413 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:57:16,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:57:16,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 02:57:16,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:57:16,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:57:16,414 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 02:57:16,414 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 02:57:16,419 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~mem9, main_#t~post10, main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet7, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet7;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 4#L18-3true [2020-11-28 02:57:16,420 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-3true call main_#t~mem8 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 7#L18-1true assume !!(main_#t~mem8 < 100);havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 4#L18-3true [2020-11-28 02:57:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,425 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 02:57:16,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917570419] [2020-11-28 02:57:16,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,559 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:16,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-11-28 02:57:16,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401080523] [2020-11-28 02:57:16,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,582 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:16,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,584 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-28 02:57:16,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122456174] [2020-11-28 02:57:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,639 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:17,135 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-11-28 02:57:17,280 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-28 02:57:17,293 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:57:17,293 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:57:17,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:57:17,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:57:17,294 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:57:17,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:17,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:57:17,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:57:17,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2020-11-28 02:57:17,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:57:17,295 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:57:17,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,682 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-28 02:57:17,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:18,272 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:57:18,275 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:18,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:18,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:18,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:19,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:19,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:19,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:19,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:19,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:19,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:19,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:19,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:19,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:19,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:19,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:19,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:19,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:19,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:19,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:19,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:19,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:19,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:19,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:19,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:19,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:19,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:19,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:19,099 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 02:57:19,158 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-28 02:57:19,159 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2401e28a-1aab-4780-90c4-51a0aaf8fe8a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:19,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 02:57:19,295 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 02:57:19,295 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:57:19,296 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1 + 199 Supporting invariants [] [2020-11-28 02:57:19,390 INFO L297 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2020-11-28 02:57:19,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 02:57:19,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 02:57:19,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 02:57:19,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:19,516 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 02:57:19,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-11-28 02:57:19,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 25 states and 29 transitions. Complement of second has 8 states. [2020-11-28 02:57:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 02:57:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 02:57:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-28 02:57:19,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-28 02:57:19,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:19,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 02:57:19,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:19,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-28 02:57:19,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:19,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2020-11-28 02:57:19,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:19,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-28 02:57:19,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 02:57:19,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 02:57:19,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 02:57:19,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:57:19,611 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:19,611 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:19,611 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:19,612 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:57:19,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:19,612 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:19,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 02:57:19,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:57:19 BoogieIcfgContainer [2020-11-28 02:57:19,617 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:57:19,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:19,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:19,618 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:19,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16" (3/4) ... [2020-11-28 02:57:19,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:57:19,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:19,622 INFO L168 Benchmark]: Toolchain (without parser) took 4090.88 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 70.4 MB in the beginning and 46.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,623 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 104.9 MB. Free memory is still 87.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:19,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.10 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 82.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 104.9 MB. Free memory was 82.3 MB in the beginning and 81.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,625 INFO L168 Benchmark]: Boogie Preprocessor took 31.46 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:19,625 INFO L168 Benchmark]: RCFGBuilder took 367.93 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 68.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,626 INFO L168 Benchmark]: BuchiAutomizer took 3319.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.0 MB in the beginning and 46.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,627 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 125.8 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:19,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 104.9 MB. Free memory is still 87.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.10 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 82.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 104.9 MB. Free memory was 82.3 MB in the beginning and 81.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.46 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 367.93 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 68.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3319.07 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.0 MB in the beginning and 46.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.60 ms. Allocated memory is still 125.8 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 affine ranking function -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp93 ukn64 mio100 lsp29 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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! Received shutdown request...