./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN --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 b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:35:14,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:35:14,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:35:15,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:35:15,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:35:15,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:35:15,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:35:15,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:35:15,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:35:15,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:35:15,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:35:15,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:35:15,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:35:15,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:35:15,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:35:15,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:35:15,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:35:15,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:35:15,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:35:15,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:35:15,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:35:15,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:35:15,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:35:15,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:35:15,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:35:15,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:35:15,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:35:15,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:35:15,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:35:15,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:35:15,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:35:15,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:35:15,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:35:15,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:35:15,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:35:15,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:35:15,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:35:15,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:35:15,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:35:15,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:35:15,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:35:15,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:35:15,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:35:15,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:35:15,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:35:15,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:35:15,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:35:15,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:35:15,101 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:35:15,102 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:35:15,102 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:35:15,102 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:35:15,103 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:35:15,103 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:35:15,103 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:35:15,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:35:15,104 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:35:15,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:35:15,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:35:15,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:35:15,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:35:15,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:35:15,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:35:15,106 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:35:15,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:35:15,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:35:15,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:35:15,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:35:15,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:35:15,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:35:15,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:35:15,109 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_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 [2022-11-20 10:35:15,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:35:15,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:35:15,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:35:15,360 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:35:15,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:35:15,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2022-11-20 10:35:18,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:35:18,640 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:35:18,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2022-11-20 10:35:18,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/data/01a1eb2e5/430459ac397c43a2956290430a3b763f/FLAGb2f904cec [2022-11-20 10:35:18,668 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/data/01a1eb2e5/430459ac397c43a2956290430a3b763f [2022-11-20 10:35:18,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:35:18,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:35:18,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:18,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:35:18,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:35:18,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284c8977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18, skipping insertion in model container [2022-11-20 10:35:18,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:35:18,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:35:18,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:18,866 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:35:18,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:18,894 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:35:18,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18 WrapperNode [2022-11-20 10:35:18,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:18,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:18,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:35:18,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:35:18,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,926 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-11-20 10:35:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:18,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:35:18,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:35:18,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:35:18,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:35:18,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:35:18,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:35:18,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:35:18,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (1/1) ... [2022-11-20 10:35:18,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:18,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:18,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:19,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:35:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:35:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:35:19,111 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:35:19,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:35:19,236 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:35:19,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:35:19,242 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:35:19,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:19 BoogieIcfgContainer [2022-11-20 10:35:19,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:35:19,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:35:19,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:35:19,254 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:35:19,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:19,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:35:18" (1/3) ... [2022-11-20 10:35:19,256 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ff2d8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:19, skipping insertion in model container [2022-11-20 10:35:19,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:19,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:18" (2/3) ... [2022-11-20 10:35:19,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ff2d8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:19, skipping insertion in model container [2022-11-20 10:35:19,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:19,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:19" (3/3) ... [2022-11-20 10:35:19,261 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2022-11-20 10:35:19,361 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:35:19,361 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:35:19,361 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:35:19,362 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:35:19,362 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:35:19,362 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:35:19,362 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:35:19,363 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:35:19,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-20 10:35:19,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:19,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:19,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:19,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 10:35:19,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:19,396 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:35:19,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-20 10:35:19,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:19,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:19,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:19,400 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 10:35:19,400 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:19,408 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~q~0#1, main_~olda~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~q~0#1;havoc main_~olda~0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6#L23true assume !!(-524287 <= main_~q~0#1 && main_~q~0#1 <= 524287); 9#L24true assume !!(-524287 <= main_~a~0#1 && main_~a~0#1 <= 524287); 5#L25true assume !!(-524287 <= main_~b~0#1 && main_~b~0#1 <= 524287); 4#L26-2true [2022-11-20 10:35:19,409 INFO L750 eck$LassoCheckResult]: Loop: 4#L26-2true assume !!(main_~q~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~a~0#1 - 1;main_~olda~0#1 := main_~a~0#1;main_~a~0#1 := 3 * main_~olda~0#1 - 4 * main_~b~0#1;main_~b~0#1 := 4 * main_~olda~0#1 + 3 * main_~b~0#1; 4#L26-2true [2022-11-20 10:35:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-11-20 10:35:19,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:19,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275550186] [2022-11-20 10:35:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:19,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-11-20 10:35:19,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:19,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720115183] [2022-11-20 10:35:19,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:19,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2022-11-20 10:35:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:19,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855316917] [2022-11-20 10:35:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:19,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:19,795 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:19,795 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:19,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:19,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:19,796 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:35:19,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:19,796 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:19,797 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:19,797 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2022-11-20 10:35:19,797 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:19,797 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:19,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:19,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:19,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:19,954 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:19,955 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:35:19,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:19,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:19,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:19,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:35:19,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:19,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:20,010 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:20,011 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: [] [2022-11-20 10:35:20,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:20,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:20,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:20,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:20,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:20,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:20,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:35:20,071 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:20,071 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: [] [2022-11-20 10:35:20,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:20,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:20,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:20,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:20,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:20,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:20,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:35:20,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:20,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:20,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:20,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:20,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:35:20,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:20,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:35:29,281 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-20 10:35:29,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,290 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:29,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:29,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:29,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:29,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:35:29,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:29,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:29,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2022-11-20 10:35:29,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:29,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:29,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:29,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:29,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:29,424 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:29,429 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:35:29,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,440 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 [2022-11-20 10:35:29,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:29,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:29,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:35:29,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,485 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,493 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 [2022-11-20 10:35:29,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:35:29,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:29,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:29,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,545 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 [2022-11-20 10:35:29,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:29,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:29,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:35:29,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:29,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:29,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,582 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 10:35:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,588 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 [2022-11-20 10:35:29,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,601 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:35:29,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:35:29,610 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:35:29,610 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:35:29,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,638 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:35:29,643 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 [2022-11-20 10:35:29,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,656 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:35:29,660 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:35:29,660 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:35:29,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,691 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:35:29,695 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 [2022-11-20 10:35:29,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:29,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,706 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:35:29,710 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:35:29,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:29,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,726 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 10:35:29,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,728 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,752 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 [2022-11-20 10:35:29,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:35:29,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:35:29,770 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:35:29,770 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:35:29,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,809 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:35:29,813 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 [2022-11-20 10:35:29,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,826 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:35:29,831 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:35:29,831 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:35:29,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,859 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:35:29,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:35:29,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:29,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:35:29,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:35:29,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:29,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,902 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 10:35:29,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,904 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,912 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 [2022-11-20 10:35:29,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,926 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:35:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:35:29,931 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:35:29,931 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:35:29,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:29,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:29,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:29,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:29,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:29,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:35:29,964 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 [2022-11-20 10:35:29,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:29,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:29,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:29,975 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:35:29,981 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:35:29,981 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:35:29,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:30,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:30,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:30,009 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:30,015 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 [2022-11-20 10:35:30,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:35:30,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:30,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:30,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:30,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:30,030 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:35:30,035 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:35:30,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:30,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:35:30,065 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 10:35:30,066 INFO L444 ModelExtractionUtils]: 9 out of 21 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 10:35:30,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:30,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:30,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:35:30,097 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:35:30,098 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:35:30,098 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:35:30,098 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -10*ULTIMATE.start_main_~a~0#1 + 100*ULTIMATE.start_main_~q~0#1 - 20*ULTIMATE.start_main_~b~0#1 f1 = 3*ULTIMATE.start_main_~a~0#1 - 4*ULTIMATE.start_main_~b~0#1 f2 = 1*ULTIMATE.start_main_~a~0#1 + 1*ULTIMATE.start_main_~q~0#1 f3 = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2022-11-20 10:35:30,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:30,108 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:35:30,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:30,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:35:30,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:30,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:35:30,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:30,228 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-20 10:35:30,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-20 10:35:30,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 22 states and 27 transitions. Complement of second has 5 states. [2022-11-20 10:35:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:35:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-20 10:35:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-20 10:35:30,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-20 10:35:30,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:30,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-20 10:35:30,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:30,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 10:35:30,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:30,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-11-20 10:35:30,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:35:30,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-11-20 10:35:30,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:35:30,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:35:30,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:35:30,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:30,291 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:30,291 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:30,291 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:30,291 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:35:30,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:35:30,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:35:30,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:35:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:35:30 BoogieIcfgContainer [2022-11-20 10:35:30,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:35:30,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:35:30,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:35:30,300 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:35:30,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:19" (3/4) ... [2022-11-20 10:35:30,303 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:35:30,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:35:30,304 INFO L158 Benchmark]: Toolchain (without parser) took 11628.16ms. Allocated memory is still 192.9MB. Free memory was 146.0MB in the beginning and 112.6MB in the end (delta: 33.4MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:30,305 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:30,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.79ms. Allocated memory is still 192.9MB. Free memory was 146.0MB in the beginning and 137.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:35:30,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 192.9MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:30,306 INFO L158 Benchmark]: Boogie Preprocessor took 19.89ms. Allocated memory is still 192.9MB. Free memory was 135.4MB in the beginning and 134.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:30,307 INFO L158 Benchmark]: RCFGBuilder took 296.41ms. Allocated memory is still 192.9MB. Free memory was 134.1MB in the beginning and 125.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:35:30,307 INFO L158 Benchmark]: BuchiAutomizer took 11053.68ms. Allocated memory is still 192.9MB. Free memory was 125.0MB in the beginning and 112.6MB in the end (delta: 12.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:30,308 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 192.9MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:30,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.79ms. Allocated memory is still 192.9MB. Free memory was 146.0MB in the beginning and 137.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.14ms. Allocated memory is still 192.9MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.89ms. Allocated memory is still 192.9MB. Free memory was 135.4MB in the beginning and 134.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.41ms. Allocated memory is still 192.9MB. Free memory was 134.1MB in the beginning and 125.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11053.68ms. Allocated memory is still 192.9MB. Free memory was 125.0MB in the beginning and 112.6MB in the end (delta: 12.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 192.9MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function (if 100 * q + -10 * a + -20 * b > 0 then 3 else (if 3 * a + -4 * b > 0 then 2 else (if a + q > 0 then 1 else 0))), (if 100 * q + -10 * a + -20 * b > 0 then 100 * q + -10 * a + -20 * b else (if 3 * a + -4 * b > 0 then 3 * a + -4 * b else (if a + q > 0 then a + q else q))) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf100 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 9.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:35:30,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:30,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c776bcb5-8cfd-4d92-8238-d10a2521f13b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE