./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-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_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:15:05,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:15:05,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:15:05,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:15:05,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:15:05,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:15:05,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:15:05,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:15:05,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:15:05,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:15:05,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:15:05,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:15:05,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:15:05,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:15:05,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:15:05,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:15:05,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:15:05,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:15:05,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:15:05,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:15:05,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:15:05,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:15:05,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:15:05,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:15:05,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:15:05,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:15:05,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:15:05,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:15:05,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:15:05,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:15:05,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:15:05,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:15:05,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:15:05,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:15:05,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:15:05,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:15:05,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:15:05,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:15:05,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:15:05,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:15:05,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:15:05,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 22:15:05,684 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:15:05,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:15:05,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:15:05,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:15:05,687 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:15:05,687 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 22:15:05,687 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 22:15:05,687 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 22:15:05,687 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 22:15:05,688 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 22:15:05,689 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 22:15:05,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:15:05,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:15:05,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:15:05,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:15:05,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 22:15:05,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 22:15:05,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 22:15:05,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:15:05,691 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 22:15:05,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:15:05,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 22:15:05,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:15:05,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:15:05,692 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 22:15:05,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:15:05,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:15:05,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:15:05,693 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 22:15:05,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 22:15:05,695 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_8a9adb89-c942-4bc8-bb13-471dc219d16b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2020-11-29 22:15:06,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:15:06,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:15:06,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:15:06,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:15:06,051 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:15:06,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2020-11-29 22:15:06,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/data/fcc40d0ce/a348414f71eb4d3190a9d8f596164aa8/FLAG416fa4e5f [2020-11-29 22:15:06,604 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:15:06,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2020-11-29 22:15:06,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/data/fcc40d0ce/a348414f71eb4d3190a9d8f596164aa8/FLAG416fa4e5f [2020-11-29 22:15:06,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/data/fcc40d0ce/a348414f71eb4d3190a9d8f596164aa8 [2020-11-29 22:15:06,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:15:06,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:15:06,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:15:06,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:15:06,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:15:06,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:15:06" (1/1) ... [2020-11-29 22:15:06,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30afa03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:06, skipping insertion in model container [2020-11-29 22:15:06,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:15:06" (1/1) ... [2020-11-29 22:15:06,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:15:07,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:15:07,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:15:07,236 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:15:07,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:15:07,284 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:15:07,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07 WrapperNode [2020-11-29 22:15:07,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:15:07,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:15:07,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:15:07,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:15:07,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:15:07,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:15:07,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:15:07,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:15:07,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... [2020-11-29 22:15:07,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:15:07,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:15:07,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:15:07,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:15:07,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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 [2020-11-29 22:15:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:15:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:15:07,649 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:15:07,649 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 22:15:07,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:15:07 BoogieIcfgContainer [2020-11-29 22:15:07,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:15:07,652 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 22:15:07,652 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 22:15:07,656 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 22:15:07,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:15:07,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 10:15:06" (1/3) ... [2020-11-29 22:15:07,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12e3bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:15:07, skipping insertion in model container [2020-11-29 22:15:07,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:15:07,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:15:07" (2/3) ... [2020-11-29 22:15:07,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12e3bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:15:07, skipping insertion in model container [2020-11-29 22:15:07,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:15:07,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:15:07" (3/3) ... [2020-11-29 22:15:07,661 INFO L373 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2020-11-29 22:15:07,705 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 22:15:07,705 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 22:15:07,705 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 22:15:07,706 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:15:07,706 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:15:07,706 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 22:15:07,706 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:15:07,706 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 22:15:07,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-29 22:15:07,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:15:07,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:15:07,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:15:07,741 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 22:15:07,741 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:15:07,741 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 22:15:07,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-29 22:15:07,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:15:07,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:15:07,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:15:07,744 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 22:15:07,744 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:15:07,750 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2020-11-29 22:15:07,751 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2020-11-29 22:15:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:07,757 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2020-11-29 22:15:07,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:07,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637928384] [2020-11-29 22:15:07,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,849 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,884 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:07,895 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2020-11-29 22:15:07,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:07,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579360933] [2020-11-29 22:15:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,925 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:07,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:07,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2020-11-29 22:15:07,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:07,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916846078] [2020-11-29 22:15:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:07,956 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:07,959 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:08,046 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:15:08,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:15:08,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:15:08,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:15:08,048 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 22:15:08,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:08,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:15:08,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:15:08,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2020-11-29 22:15:08,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:15:08,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:15:08,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,318 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:15:08,318 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:08,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:08,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 22:15:08,428 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:15:08,428 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_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:15:08,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:08,469 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:08,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:15:08,485 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_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:08,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:08,528 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_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:08,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 22:15:08,582 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 [2020-11-29 22:15:08,767 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 22:15:08,769 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:15:08,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:15:08,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:15:08,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:15:08,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:15:08,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:08,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:15:08,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:15:08,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2020-11-29 22:15:08,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:15:08,770 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:15:08,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:08,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:15:08,939 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:08,951 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 [2020-11-29 22:15:08,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:08,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:08,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:08,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:08,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:08,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:08,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 22:15:09,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:09,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:09,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:15:09,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,039 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 [2020-11-29 22:15:09,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:09,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:09,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:15:09,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:15:09,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:09,093 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 [2020-11-29 22:15:09,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:09,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,095 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:15:09,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:09,097 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 22:15:09,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 22:15:09,135 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:15:09,148 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 [2020-11-29 22:15:09,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,167 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 22:15:09,168 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 22:15:09,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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 [2020-11-29 22:15:09,208 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 [2020-11-29 22:15:09,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:09,215 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 22:15:09,215 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 22:15:09,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:09,270 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 [2020-11-29 22:15:09,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:09,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,273 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:09,277 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 22:15:09,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:09,324 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 [2020-11-29 22:15:09,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:09,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,327 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:15:09,327 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:09,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:09,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 22:15:09,358 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,365 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 [2020-11-29 22:15:09,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:09,373 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 22:15:09,373 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 22:15:09,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:09,428 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 [2020-11-29 22:15:09,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,431 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:09,437 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 22:15:09,437 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:09,485 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 [2020-11-29 22:15:09,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:09,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:09,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:09,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:09,489 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:09,493 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 22:15:09,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:15:09,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,532 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 22:15:09,532 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:15:09,542 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:15:09,542 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 22:15:09,542 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:15:09,543 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:09,615 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 22:15:09,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:15:09,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:15:09,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:15:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:15:09,699 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:15:09,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:15:09,983 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-11-29 22:15:10,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:10,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:15:10,155 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-29 22:15:10,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2020-11-29 22:15:10,304 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2020-11-29 22:15:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 22:15:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 22:15:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-29 22:15:10,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-29 22:15:10,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:10,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-29 22:15:10,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:10,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-29 22:15:10,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:10,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2020-11-29 22:15:10,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:15:10,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2020-11-29 22:15:10,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-29 22:15:10,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-29 22:15:10,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-11-29 22:15:10,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 22:15:10,320 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-29 22:15:10,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-11-29 22:15:10,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-11-29 22:15:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-29 22:15:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-11-29 22:15:10,339 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-29 22:15:10,339 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-29 22:15:10,340 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 22:15:10,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-11-29 22:15:10,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:15:10,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:15:10,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:15:10,342 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:15:10,342 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:15:10,342 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2020-11-29 22:15:10,342 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2020-11-29 22:15:10,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:10,343 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2020-11-29 22:15:10,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:10,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80543835] [2020-11-29 22:15:10,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,370 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:10,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:10,371 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2020-11-29 22:15:10,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:10,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445154327] [2020-11-29 22:15:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,382 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:10,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:10,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2020-11-29 22:15:10,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:15:10,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579413001] [2020-11-29 22:15:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:15:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:15:10,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:15:10,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:15:10,461 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:15:10,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:15:10,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:15:10,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:15:10,462 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 22:15:10,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:10,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:15:10,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:15:10,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2020-11-29 22:15:10,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:15:10,462 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:15:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:10,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:10,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:10,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:10,577 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:15:10,577 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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 [2020-11-29 22:15:10,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:10,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 22:15:10,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:15:10,586 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:10,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:10,632 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:10,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:15:10,636 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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 [2020-11-29 22:15:10,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:10,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 22:15:10,678 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:15:10,678 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:10,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:15:10,724 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:10,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 22:15:10,797 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,060 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 22:15:11,062 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:15:11,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:15:11,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:15:11,062 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:15:11,062 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:15:11,062 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:15:11,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:15:11,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2020-11-29 22:15:11,062 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:15:11,062 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:15:11,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:11,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:11,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:11,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:15:11,206 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:15:11,206 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,211 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 [2020-11-29 22:15:11,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:11,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:11,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,270 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 [2020-11-29 22:15:11,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,272 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:15:11,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:11,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 22:15:11,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,316 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 [2020-11-29 22:15:11,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:11,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:15:11,321 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 [2020-11-29 22:15:11,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,362 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 [2020-11-29 22:15:11,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:15:11,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:11,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 22:15:11,403 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,405 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 [2020-11-29 22:15:11,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,407 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:11,409 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 22:15:11,409 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 22:15:11,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,438 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 [2020-11-29 22:15:11,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,440 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:15:11,440 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:11,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:15:11,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:15:11,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,468 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 [2020-11-29 22:15:11,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,470 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:11,473 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 22:15:11,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:15:11,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,503 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 [2020-11-29 22:15:11,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,505 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 22:15:11,508 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-29 22:15:11,508 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-29 22:15:11,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 22:15:11,547 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,565 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 [2020-11-29 22:15:11,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,567 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:11,571 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 22:15:11,571 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,615 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 [2020-11-29 22:15:11,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,617 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:15:11,617 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:11,619 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 22:15:11,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,680 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 [2020-11-29 22:15:11,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:15:11,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:15:11,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:15:11,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:15:11,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 22:15:11,690 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 22:15:11,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:15:11,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,707 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 22:15:11,707 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a9adb89-c942-4bc8-bb13-471dc219d16b/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) [2020-11-29 22:15:11,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:15:11,710 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 22:15:11,710 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:15:11,710 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:15:11,747 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 22:15:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:15:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:15:11,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:15:11,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:15:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:15:11,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:15:11,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:15:11,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,808 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,821 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,834 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 22:15:11,860 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:11,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 22:15:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:15:12,226 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-29 22:15:12,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 22:15:12,309 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2020-11-29 22:15:12,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 22:15:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 22:15:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-11-29 22:15:12,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-29 22:15:12,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:12,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-29 22:15:12,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:12,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-29 22:15:12,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:15:12,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-11-29 22:15:12,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:15:12,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-11-29 22:15:12,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 22:15:12,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 22:15:12,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 22:15:12,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:15:12,313 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:15:12,313 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:15:12,313 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:15:12,314 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 22:15:12,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:15:12,314 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:15:12,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 22:15:12,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 10:15:12 BoogieIcfgContainer [2020-11-29 22:15:12,319 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 22:15:12,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:15:12,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:15:12,321 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:15:12,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:15:07" (3/4) ... [2020-11-29 22:15:12,327 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:15:12,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:15:12,328 INFO L168 Benchmark]: Toolchain (without parser) took 5346.85 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 70.1 MB in the beginning and 53.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:15:12,330 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:15:12,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.76 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 79.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:15:12,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.33 ms. Allocated memory is still 102.8 MB. Free memory was 79.9 MB in the beginning and 78.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:15:12,332 INFO L168 Benchmark]: Boogie Preprocessor took 29.00 ms. Allocated memory is still 102.8 MB. Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:15:12,337 INFO L168 Benchmark]: RCFGBuilder took 297.92 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 68.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:15:12,338 INFO L168 Benchmark]: BuchiAutomizer took 4666.99 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 68.3 MB in the beginning and 54.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:15:12,338 INFO L168 Benchmark]: Witness Printer took 7.16 ms. Allocated memory is still 127.9 MB. Free memory was 54.4 MB in the beginning and 53.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:15:12,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.76 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 79.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.33 ms. Allocated memory is still 102.8 MB. Free memory was 79.9 MB in the beginning and 78.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.00 ms. Allocated memory is still 102.8 MB. Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 297.92 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 68.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4666.99 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 68.3 MB in the beginning and 54.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.16 ms. Allocated memory is still 127.9 MB. Free memory was 54.4 MB in the beginning and 53.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...