./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt --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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:01:05,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:05,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:05,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:05,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:05,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:05,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:05,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:05,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:05,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:05,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:05,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:05,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:05,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:05,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:05,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:05,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:05,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:05,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:05,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:05,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:05,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:05,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:05,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:05,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:05,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:05,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:05,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:05,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:05,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:05,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:05,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:05,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:05,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:05,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:05,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:05,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:05,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:05,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:05,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:05,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:05,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:01:05,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:05,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:05,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:05,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:05,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:05,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:05,835 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:05,835 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:01:05,835 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:01:05,835 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:01:05,836 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:01:05,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:01:05,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:01:05,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:05,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:01:05,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:05,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:05,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:01:05,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:01:05,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:01:05,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:01:05,838 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:01:05,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:05,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:01:05,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:05,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:05,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:05,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:01:05,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:05,841 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:01:05,841 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_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2021-10-13 01:01:06,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:06,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:06,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:06,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:06,233 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:06,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2021-10-13 01:01:06,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/data/df7facb8b/d6121c1d4d4e476388c859912a15b426/FLAGa7ddf6df2 [2021-10-13 01:01:06,918 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:06,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2021-10-13 01:01:06,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/data/df7facb8b/d6121c1d4d4e476388c859912a15b426/FLAGa7ddf6df2 [2021-10-13 01:01:07,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/data/df7facb8b/d6121c1d4d4e476388c859912a15b426 [2021-10-13 01:01:07,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:07,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:01:07,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:07,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:07,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:07,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158876b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07, skipping insertion in model container [2021-10-13 01:01:07,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:07,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:07,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:07,557 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:01:07,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:07,604 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:01:07,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07 WrapperNode [2021-10-13 01:01:07,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:07,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:07,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:01:07,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:01:07,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:07,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:01:07,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:01:07,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:01:07,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:01:07,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:01:07,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:01:07,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:01:07,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (1/1) ... [2021-10-13 01:01:07,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:07,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:07,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:07,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:01:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:01:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:01:07,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:01:07,958 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:01:07,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:07 BoogieIcfgContainer [2021-10-13 01:01:07,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:01:07,962 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:01:07,963 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:01:07,967 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:01:07,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:07,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:01:07" (1/3) ... [2021-10-13 01:01:07,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@493a69bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:01:07, skipping insertion in model container [2021-10-13 01:01:07,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:07,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:07" (2/3) ... [2021-10-13 01:01:07,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@493a69bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:01:07, skipping insertion in model container [2021-10-13 01:01:07,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:07,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:07" (3/3) ... [2021-10-13 01:01:07,974 INFO L389 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1.c [2021-10-13 01:01:08,030 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:01:08,030 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:01:08,030 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:01:08,031 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:01:08,031 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:01:08,031 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:01:08,031 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:01:08,031 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:01:08,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-13 01:01:08,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:01:08,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:08,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:08,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 01:01:08,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:01:08,089 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:01:08,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-13 01:01:08,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 01:01:08,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:08,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:08,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 01:01:08,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:01:08,102 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~q~0, main_~y~0;havoc main_~q~0;havoc main_~y~0;main_~q~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L18-2true [2021-10-13 01:01:08,103 INFO L793 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~q~0 > 0); 5#L18true assume main_~y~0 > 0;main_~q~0 := main_~q~0 - main_~y~0 - 1; 7#L18-2true [2021-10-13 01:01:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,116 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-13 01:01:08,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398946234] [2021-10-13 01:01:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,223 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-13 01:01:08,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150373066] [2021-10-13 01:01:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,261 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:08,278 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-13 01:01:08,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:08,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413536837] [2021-10-13 01:01:08,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:08,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,294 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:08,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:08,447 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:08,447 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:08,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:08,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:08,448 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:01:08,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:08,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:08,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2021-10-13 01:01:08,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:08,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:08,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:08,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:08,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:08,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:08,577 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:01:08,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:08,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:01:08,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:01:08,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:01:08,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:01:08,652 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: [] [2021-10-13 01:01:08,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:08,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:08,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:08,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:01:08,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:01:08,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:01:08,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:01:08,735 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: [] [2021-10-13 01:01:08,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:08,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:08,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:08,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:01:08,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:01:08,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:01:08,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:08,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:08,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:08,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:08,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:01:08,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:01:08,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:01:08,994 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:01:09,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,003 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:01:09,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:01:09,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:01:09,004 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:01:09,004 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:01:09,004 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,004 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:01:09,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:01:09,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2021-10-13 01:01:09,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:01:09,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:01:09,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:01:09,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:01:09,125 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:01:09,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,128 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,141 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 [2021-10-13 01:01:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:01:09,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:01:09,232 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 [2021-10-13 01:01:09,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:01:09,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:01:09,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:01:09,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:01:09,286 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 [2021-10-13 01:01:09,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:01:09,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:01:09,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:01:09,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:01:09,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:01:09,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:01:09,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:01:09,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:01:09,320 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:01:09,320 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:01:09,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:09,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:09,338 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:01:09,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:01:09,343 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:01:09,343 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:01:09,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2021-10-13 01:01:09,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:01:09,375 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:01:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:09,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:01:09,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:09,437 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:01:09,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:01:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:01:09,497 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 [2021-10-13 01:01:09,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 01:01:09,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 17 states and 22 transitions. Complement of second has 7 states. [2021-10-13 01:01:09,579 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 [2021-10-13 01:01:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 01:01:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-13 01:01:09,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-13 01:01:09,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:09,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 01:01:09,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:09,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-13 01:01:09,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:01:09,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-10-13 01:01:09,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:01:09,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-10-13 01:01:09,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:01:09,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:01:09,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:01:09,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:01:09,599 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:09,599 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:09,599 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:01:09,600 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:01:09,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:01:09,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:01:09,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:01:09,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:01:09 BoogieIcfgContainer [2021-10-13 01:01:09,636 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:01:09,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:01:09,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:01:09,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:01:09,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:07" (3/4) ... [2021-10-13 01:01:09,642 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:01:09,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:01:09,645 INFO L168 Benchmark]: Toolchain (without parser) took 2348.41 ms. Allocated memory is still 119.5 MB. Free memory was 83.5 MB in the beginning and 93.3 MB in the end (delta: -9.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:09,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 01:01:09,646 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 119.5 MB. Free memory is still 99.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:09,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.95 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 97.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:09,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 119.5 MB. Free memory was 97.5 MB in the beginning and 96.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:09,650 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 ms. Allocated memory is still 119.5 MB. Free memory was 96.5 MB in the beginning and 95.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:09,651 INFO L168 Benchmark]: RCFGBuilder took 284.76 ms. Allocated memory is still 119.5 MB. Free memory was 95.4 MB in the beginning and 87.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:09,652 INFO L168 Benchmark]: BuchiAutomizer took 1674.03 ms. Allocated memory is still 119.5 MB. Free memory was 87.6 MB in the beginning and 93.9 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:09,652 INFO L168 Benchmark]: Witness Printer took 5.15 ms. Allocated memory is still 119.5 MB. Free memory was 93.9 MB in the beginning and 93.3 MB in the end (delta: 630.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:09,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 119.5 MB. Free memory is still 99.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.95 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 97.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 119.5 MB. Free memory was 97.5 MB in the beginning and 96.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.13 ms. Allocated memory is still 119.5 MB. Free memory was 96.5 MB in the beginning and 95.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 284.76 ms. Allocated memory is still 119.5 MB. Free memory was 95.4 MB in the beginning and 87.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1674.03 ms. Allocated memory is still 119.5 MB. Free memory was 87.6 MB in the beginning and 93.9 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.15 ms. Allocated memory is still 119.5 MB. Free memory was 93.9 MB in the beginning and 93.3 MB in the end (delta: 630.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function q and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:01:09,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7478116e-e1a2-47b1-b0a9-30950a5be4e1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...