./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70b7927a0492d6be5caba90d696a196e2b22ba2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:15,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:15,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:15,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:15,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:15,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:15,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:15,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:15,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:15,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:15,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:15,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:15,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:15,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:15,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:15,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:15,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:15,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:15,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:15,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:15,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:15,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:15,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:15,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:15,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:15,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:15,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:15,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:15,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:15,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:15,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:16,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:16,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:16,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:16,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:16,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:16,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:16,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:16,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:16,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:16,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:16,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:05:16,074 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:16,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:16,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:16,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:16,077 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:16,077 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:05:16,078 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:05:16,078 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:05:16,078 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:05:16,078 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:05:16,080 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:05:16,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:16,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:16,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:16,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:16,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:05:16,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:05:16,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:05:16,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:16,082 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:05:16,082 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:16,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:05:16,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:16,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:16,083 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:05:16,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:16,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:16,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:16,084 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:05:16,087 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:05:16,087 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2020-11-28 03:05:16,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:16,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:16,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:16,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:16,501 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:16,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-11-28 03:05:16,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/data/6e8d96e09/bd564364270c4a64b9c8b66b17f1d411/FLAGae49de091 [2020-11-28 03:05:17,226 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:17,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-11-28 03:05:17,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/data/6e8d96e09/bd564364270c4a64b9c8b66b17f1d411/FLAGae49de091 [2020-11-28 03:05:17,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/data/6e8d96e09/bd564364270c4a64b9c8b66b17f1d411 [2020-11-28 03:05:17,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:17,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:17,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:17,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:17,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:17,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9c9694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17, skipping insertion in model container [2020-11-28 03:05:17,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:17,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:17,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:17,829 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:17,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:17,910 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:17,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17 WrapperNode [2020-11-28 03:05:17,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:17,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:17,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:17,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:17,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:17,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:17,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:17,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:17,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:17,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:17,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:17,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:18,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:18,451 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:18,452 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:05:18,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:18 BoogieIcfgContainer [2020-11-28 03:05:18,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:18,455 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:05:18,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:05:18,474 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:05:18,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:18,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:17" (1/3) ... [2020-11-28 03:05:18,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e7669b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:18, skipping insertion in model container [2020-11-28 03:05:18,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:18,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (2/3) ... [2020-11-28 03:05:18,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e7669b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:18, skipping insertion in model container [2020-11-28 03:05:18,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:18,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:18" (3/3) ... [2020-11-28 03:05:18,481 INFO L373 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2020-11-28 03:05:18,576 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:05:18,577 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:05:18,577 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:05:18,577 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:18,577 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:18,578 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:05:18,578 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:18,578 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:05:18,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 03:05:18,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:18,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:18,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:18,627 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:05:18,627 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:05:18,627 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:05:18,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 03:05:18,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:18,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:18,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:18,632 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:05:18,632 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:05:18,642 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2020-11-28 03:05:18,642 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2020-11-28 03:05:18,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:18,651 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2020-11-28 03:05:18,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:18,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403294830] [2020-11-28 03:05:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,811 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,839 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:18,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:18,845 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-11-28 03:05:18,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:18,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746604349] [2020-11-28 03:05:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,882 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:18,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:18,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2020-11-28 03:05:18,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:18,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087653651] [2020-11-28 03:05:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,923 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:18,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:18,955 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:19,126 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:19,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:19,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:19,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:19,129 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:05:19,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:19,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:19,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:19,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2020-11-28 03:05:19,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:19,131 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:19,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:19,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:19,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:19,400 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:19,401 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:19,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:19,413 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:19,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:19,424 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:19,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:19,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:19,479 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:19,479 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:19,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:19,523 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:19,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:05:19,591 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,136 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:20,137 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~a~0=6, ULTIMATE.start_main_~b~0=6, ULTIMATE.start_main_~x~0=-7}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-4, ULTIMATE.start_main_~b~0=-4, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-2, ULTIMATE.start_main_~x~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] [2020-11-28 03:05:20,355 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2020-11-28 03:05:20,408 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:20,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:20,409 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:20,409 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:20,409 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:05:20,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,409 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:20,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:20,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-11-28 03:05:20,410 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:20,410 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:20,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:20,762 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:20,762 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:20,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:20,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:20,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:20,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:20,832 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:20,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:20,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:20,888 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,894 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:20,894 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:20,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:20,946 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,951 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:20,951 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:20,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:20,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:21,002 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:21,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:21,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:21,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:21,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:21,072 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:05:21,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:21,196 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:05:21,198 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:21,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:21,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:21,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:21,199 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:05:21,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:21,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:21,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-11-28 03:05:21,199 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:21,199 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:21,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:21,493 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:21,505 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:21,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:21,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:21,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:21,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:21,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:21,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,653 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:21,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,690 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-28 03:05:21,690 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:05:21,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:21,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:21,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:21,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:21,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:21,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:21,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:21,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:21,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:21,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:21,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:21,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:21,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:21,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:21,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:21,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:21,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:21,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:21,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:21,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:21,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:05:22,029 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,054 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 03:05:22,055 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 03:05:22,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,093 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,094 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:22,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:22,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,158 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:22,158 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,204 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-11-28 03:05:22,205 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 03:05:22,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,320 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,321 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:22,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,385 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,386 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:22,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,445 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,446 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:22,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,501 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,511 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 03:05:22,513 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,574 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:22,575 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:22,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:05:22,622 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,635 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:22,641 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:05:22,642 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,702 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:22,703 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:05:22,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,757 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:22,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,811 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-11-28 03:05:22,812 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-28 03:05:22,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:22,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,943 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:22,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:05:22,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:22,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:22,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:22,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:22,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:22,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:22,977 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:22,978 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:05:22,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:22,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:23,025 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:05:23,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:23,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,066 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:23,070 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:05:23,070 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:05:23,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,115 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:05:23,116 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:05:23,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:23,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:05:23,143 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,149 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,156 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 03:05:23,157 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 03:05:23,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,215 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,216 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:05:23,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:23,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,296 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:23,296 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,339 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-11-28 03:05:23,339 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-11-28 03:05:23,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:05:23,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,557 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,558 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:05:23,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,612 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,613 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:05:23,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,666 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,674 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 03:05:23,674 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:23,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,733 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:05:23,735 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:05:23,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:05:23,780 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:05:23,786 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:05:23,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,786 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:23,790 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 03:05:23,790 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:05:23,847 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:05:23,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:23,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:23,848 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:05:23,849 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:05:23,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:23,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:23,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:05:23,903 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:05:23,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:23,903 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:23,903 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:23,929 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-11-28 03:05:23,929 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 03:05:24,080 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:05:24,323 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-28 03:05:24,323 INFO L444 ModelExtractionUtils]: 8 out of 42 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b78bca3c-eed6-4cb3-8ef8-770a739a62d6/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:24,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:24,359 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2020-11-28 03:05:24,359 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:05:24,360 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~y~0 + 1 f1 = 2*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0, -1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] [2020-11-28 03:05:24,410 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2020-11-28 03:05:24,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:24,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:05:24,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:24,546 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:05:24,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:24,566 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-28 03:05:24,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2020-11-28 03:05:24,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2020-11-28 03:05:24,715 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 [2020-11-28 03:05:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-28 03:05:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-11-28 03:05:24,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-28 03:05:24,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:24,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-28 03:05:24,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:24,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:05:24,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:24,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2020-11-28 03:05:24,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:24,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-11-28 03:05:24,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:05:24,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:05:24,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:05:24,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:05:24,733 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:24,733 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:24,733 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:24,733 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:05:24,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:24,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:24,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:05:24,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:24 BoogieIcfgContainer [2020-11-28 03:05:24,740 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:05:24,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:24,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:24,741 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:24,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:18" (3/4) ... [2020-11-28 03:05:24,746 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:24,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:24,748 INFO L168 Benchmark]: Toolchain (without parser) took 7152.01 ms. Allocated memory was 86.0 MB in the beginning and 142.6 MB in the end (delta: 56.6 MB). Free memory was 54.9 MB in the beginning and 90.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:24,749 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:24,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.13 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 96.6 MB in the end (delta: -41.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:24,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 117.4 MB. Free memory was 96.6 MB in the beginning and 95.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:24,751 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 117.4 MB. Free memory was 95.1 MB in the beginning and 94.5 MB in the end (delta: 645.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:24,752 INFO L168 Benchmark]: RCFGBuilder took 456.30 ms. Allocated memory is still 117.4 MB. Free memory was 94.5 MB in the beginning and 84.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:24,753 INFO L168 Benchmark]: BuchiAutomizer took 6285.12 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.1 MB in the beginning and 91.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:24,753 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 142.6 MB. Free memory was 91.3 MB in the beginning and 90.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:24,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 314.13 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 96.6 MB in the end (delta: -41.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 117.4 MB. Free memory was 96.6 MB in the beginning and 95.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 117.4 MB. Free memory was 95.1 MB in the beginning and 94.5 MB in the end (delta: 645.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 456.30 ms. Allocated memory is still 117.4 MB. Free memory was 94.5 MB in the beginning and 84.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6285.12 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.1 MB in the beginning and 91.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 142.6 MB. Free memory was 91.3 MB in the beginning and 90.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function (if y + 1 > 0 then 1 else 0), (if y + 1 > 0 then y + 1 else 2 * x + -1 * y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 156ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...