./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 873a06533d36987711ab5e2c177066aa117a2df5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:58:08,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:08,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:08,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:08,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:08,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:08,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:08,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:08,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:08,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:08,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:08,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:08,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:08,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:08,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:08,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:08,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:08,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:08,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:08,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:08,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:08,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:08,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:08,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:08,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:08,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:08,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:08,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:08,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:08,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:08,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:08,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:08,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:08,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:08,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:08,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:08,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:08,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:08,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:08,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:08,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:08,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:58:08,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:08,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:08,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:08,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:08,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:08,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:58:08,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:58:08,796 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:58:08,796 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:58:08,796 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:58:08,797 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:58:08,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:08,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:58:08,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:58:08,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:08,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:58:08,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:58:08,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:58:08,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:58:08,799 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:58:08,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:08,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:58:08,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:08,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:08,800 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:58:08,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:08,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:58:08,801 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:58:08,802 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:58:08,802 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 -> 873a06533d36987711ab5e2c177066aa117a2df5 [2019-11-25 08:58:08,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:08,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:08,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:08,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:08,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:08,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-25 08:58:09,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/data/b76100858/492b9a19d14c4fc1a9903f15308345b5/FLAG876fa7f4e [2019-11-25 08:58:09,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:09,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-25 08:58:09,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/data/b76100858/492b9a19d14c4fc1a9903f15308345b5/FLAG876fa7f4e [2019-11-25 08:58:09,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/data/b76100858/492b9a19d14c4fc1a9903f15308345b5 [2019-11-25 08:58:09,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:09,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:58:09,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:09,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:09,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:09,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff7129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09, skipping insertion in model container [2019-11-25 08:58:09,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:09,415 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:09,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:09,615 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:09,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:09,694 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:09,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09 WrapperNode [2019-11-25 08:58:09,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:09,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:09,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:58:09,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:58:09,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:09,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:09,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:09,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:09,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... [2019-11-25 08:58:09,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:09,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:09,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:09,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:09,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:09,916 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:09,916 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:58:09,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:09 BoogieIcfgContainer [2019-11-25 08:58:09,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:09,918 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:58:09,918 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:58:09,921 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:58:09,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:09,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:58:09" (1/3) ... [2019-11-25 08:58:09,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a86331b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:09, skipping insertion in model container [2019-11-25 08:58:09,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:09,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:09" (2/3) ... [2019-11-25 08:58:09,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a86331b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:09, skipping insertion in model container [2019-11-25 08:58:09,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:09,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:09" (3/3) ... [2019-11-25 08:58:09,925 INFO L371 chiAutomizerObserver]: Analyzing ICFG Collatz.c [2019-11-25 08:58:09,958 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:58:09,959 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:58:09,959 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:58:09,959 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:09,959 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:09,959 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:58:09,959 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:09,961 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:58:09,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-25 08:58:09,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:09,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:09,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:09,997 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:58:09,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:09,998 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:58:09,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-25 08:58:09,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:09,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:09,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:09,999 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:58:09,999 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:10,006 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L14-2true [2019-11-25 08:58:10,007 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~y~0 > 1); 8#L14true assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 5#L14-2true [2019-11-25 08:58:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,012 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-25 08:58:10,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60615653] [2019-11-25 08:58:10,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,095 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-25 08:58:10,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901089336] [2019-11-25 08:58:10,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,130 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-25 08:58:10,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188726451] [2019-11-25 08:58:10,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,148 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,201 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:10,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:10,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:10,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:10,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:10,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:10,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:10,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-25 08:58:10,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:10,203 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:10,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:10,410 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:10,410 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:10,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:10,421 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:10,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:58:10,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:10,473 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:10,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:10,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:10,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:10,475 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:10,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:10,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:10,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-25 08:58:10,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:10,476 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:10,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:10,602 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:10,606 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:10,617 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 [2019-11-25 08:58:10,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:10,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:10,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:10,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:10,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:10,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:10,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:10,644 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:58:10,644 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:10,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:58:10,654 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:58:10,655 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:10,656 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-25 08:58:10,669 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:10,714 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:10,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:10,726 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:10,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:10,758 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:10,760 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-25 08:58:10,813 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 8 states. [2019-11-25 08:58:10,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-25 08:58:10,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-25 08:58:10,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:10,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-25 08:58:10,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:10,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-25 08:58:10,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:10,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-25 08:58:10,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:10,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-25 08:58:10,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-25 08:58:10,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-25 08:58:10,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-25 08:58:10,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:10,841 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-25 08:58:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-25 08:58:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-25 08:58:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-25 08:58:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-25 08:58:10,865 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-25 08:58:10,865 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-25 08:58:10,865 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:58:10,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-25 08:58:10,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:10,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:10,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:10,867 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:58:10,867 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:10,868 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L14-2 assume !!(main_~y~0 > 1); 73#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 69#L14-2 [2019-11-25 08:58:10,868 INFO L796 eck$LassoCheckResult]: Loop: 69#L14-2 assume !!(main_~y~0 > 1); 70#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 69#L14-2 [2019-11-25 08:58:10,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,869 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-25 08:58:10,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563135348] [2019-11-25 08:58:10,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-11-25 08:58:10,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890728765] [2019-11-25 08:58:10,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:10,933 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-11-25 08:58:10,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:10,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793894360] [2019-11-25 08:58:10,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:10,974 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:10,992 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:10,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:10,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:10,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:10,993 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:10,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:10,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:10,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:10,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-25 08:58:10,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:10,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:10,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:11,094 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:11,095 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:11,101 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:11,127 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,150 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:11,152 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:11,152 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:11,152 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:11,152 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:11,152 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:11,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,153 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:11,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:11,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-25 08:58:11,153 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:11,153 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:11,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:11,254 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:11,254 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:11,262 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 [2019-11-25 08:58:11,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:11,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:11,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:11,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:11,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:11,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:11,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:11,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:11,273 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:58:11,274 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:58:11,287 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:58:11,287 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:11,287 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-25 08:58:11,294 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:58:11,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:11,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:11,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:11,328 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:11,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:11,338 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:11,339 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-25 08:58:11,353 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2019-11-25 08:58:11,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-25 08:58:11,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-25 08:58:11,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:11,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:58:11,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:11,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-25 08:58:11,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:11,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-11-25 08:58:11,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:11,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-11-25 08:58:11,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-25 08:58:11,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-25 08:58:11,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-11-25 08:58:11,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:11,358 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-25 08:58:11,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-11-25 08:58:11,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-25 08:58:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-25 08:58:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-25 08:58:11,359 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-25 08:58:11,360 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-25 08:58:11,360 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:58:11,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-25 08:58:11,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:11,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:11,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:11,361 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-25 08:58:11,362 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:11,362 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L14-2 assume !!(main_~y~0 > 1); 127#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 128#L14-2 assume !!(main_~y~0 > 1); 129#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 123#L14-2 [2019-11-25 08:58:11,362 INFO L796 eck$LassoCheckResult]: Loop: 123#L14-2 assume !!(main_~y~0 > 1); 124#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 123#L14-2 [2019-11-25 08:58:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-11-25 08:58:11,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:11,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770153598] [2019-11-25 08:58:11,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:11,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770153598] [2019-11-25 08:58:11,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537840075] [2019-11-25 08:58:11,474 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:58:11,503 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 08:58:11,504 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 08:58:11,504 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:58:11,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:11,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:58:11,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-11-25 08:58:11,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681196186] [2019-11-25 08:58:11,576 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:58:11,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:11,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-11-25 08:58:11,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:11,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44435598] [2019-11-25 08:58:11,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:11,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:11,612 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:11,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:11,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:11,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:11,613 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:11,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:11,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:11,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-25 08:58:11,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:11,614 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:11,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:11,724 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:11,724 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:11,734 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:11,754 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,774 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:11,777 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:11,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:11,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:11,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:11,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:11,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:11,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:11,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-25 08:58:11,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:11,778 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:11,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:11,896 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:11,896 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,910 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 [2019-11-25 08:58:11,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:11,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:11,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:11,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:11,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:11,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:11,914 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 [2019-11-25 08:58:11,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:11,922 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:58:11,922 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:11,938 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:58:11,938 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:58:11,939 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:11,939 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-25 08:58:11,941 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:11,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:11,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:11,969 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:11,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:11,982 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:11,982 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-25 08:58:11,996 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-25 08:58:11,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-25 08:58:11,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:58:11,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:11,998 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:58:12,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:12,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:12,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:12,026 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:12,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:12,038 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:12,038 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-25 08:58:12,051 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-25 08:58:12,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-25 08:58:12,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:58:12,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:12,054 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:58:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:12,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:12,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:12,079 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:12,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:12,090 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:12,090 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-25 08:58:12,107 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2019-11-25 08:58:12,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-25 08:58:12,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:58:12,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:12,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:58:12,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:12,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-25 08:58:12,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:12,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-11-25 08:58:12,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-25 08:58:12,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-11-25 08:58:12,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-25 08:58:12,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-25 08:58:12,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-25 08:58:12,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:12,112 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-25 08:58:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-25 08:58:12,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-11-25 08:58:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:58:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-25 08:58:12,117 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-25 08:58:12,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:58:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:58:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:58:12,122 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 4 states. [2019-11-25 08:58:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:12,151 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2019-11-25 08:58:12,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:58:12,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2019-11-25 08:58:12,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:58:12,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2019-11-25 08:58:12,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-25 08:58:12,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-25 08:58:12,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-25 08:58:12,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:58:12,154 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-25 08:58:12,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-25 08:58:12,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2019-11-25 08:58:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:58:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-11-25 08:58:12,155 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-25 08:58:12,155 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-25 08:58:12,155 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:58:12,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-11-25 08:58:12,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-25 08:58:12,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:12,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:12,156 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:58:12,156 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-11-25 08:58:12,157 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-25 08:58:12,157 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-25 08:58:12,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:12,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-25 08:58:12,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:12,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27917756] [2019-11-25 08:58:12,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:12,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:12,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-11-25 08:58:12,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:12,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573550693] [2019-11-25 08:58:12,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:12,178 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2019-11-25 08:58:12,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:12,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119133198] [2019-11-25 08:58:12,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Exception during sending of exit command (exit): Broken pipe [2019-11-25 08:58:12,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:12,305 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:12,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:12,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:12,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:12,305 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:12,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:12,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:12,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-25 08:58:12,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:12,306 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:12,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:12,384 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:12,384 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:12,388 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:12,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:58:12,842 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:12,844 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:12,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:12,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:12,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:12,844 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:12,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:12,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:12,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-25 08:58:12,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:12,845 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:12,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:12,924 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:12,924 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:12,931 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 [2019-11-25 08:58:12,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:12,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:12,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:12,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:12,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:12,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:12,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:12,941 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:12,954 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 [2019-11-25 08:58:12,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:12,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:12,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:12,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:12,957 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:12,963 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:12,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:12,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:12,973 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:12,976 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 [2019-11-25 08:58:12,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:12,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:12,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:12,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:12,978 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:12,981 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:12,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:12,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:12,988 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:12,998 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 [2019-11-25 08:58:13,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,001 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:13,005 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:13,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,013 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,026 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 [2019-11-25 08:58:13,031 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,031 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:13,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,032 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,036 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:13,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,047 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,069 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 [2019-11-25 08:58:13,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,075 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:13,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,076 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:13,081 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:13,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,099 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,110 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 [2019-11-25 08:58:13,115 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,115 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:13,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,116 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:13,123 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:13,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,152 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,156 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 [2019-11-25 08:58:13,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,158 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:13,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,159 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:13,162 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:13,162 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 [2019-11-25 08:58:13,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,171 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,178 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 [2019-11-25 08:58:13,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,180 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:13,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,181 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:13,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:13,187 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 [2019-11-25 08:58:13,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,205 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:13,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:13,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:13,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:13,205 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:13,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:13,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:13,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-25 08:58:13,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:13,206 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:13,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,293 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:13,293 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:13,301 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:58:13,305 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:13,314 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:13,330 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,687 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:13,689 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:13,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:13,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:13,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:13,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:13,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:13,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:13,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-25 08:58:13,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:13,690 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:13,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:13,767 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:13,767 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:13,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:13,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:13,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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 [2019-11-25 08:58:13,791 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 [2019-11-25 08:58:13,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:13,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:13,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,801 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 [2019-11-25 08:58:13,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:13,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:13,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,808 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,812 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 [2019-11-25 08:58:13,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,814 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,821 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:58:13,821 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,835 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 [2019-11-25 08:58:13,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,838 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,838 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:13,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/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) [2019-11-25 08:58:13,845 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 [2019-11-25 08:58:13,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,847 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,848 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:13,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,851 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:13,860 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 [2019-11-25 08:58:13,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,862 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:13,871 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:13,872 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:13,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:13,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,891 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:13,892 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:13,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:13,902 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 [2019-11-25 08:58:13,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:13,905 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:13,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,908 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,918 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 [2019-11-25 08:58:13,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,920 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:13,929 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:58:13,929 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-25 08:58:13,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,948 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 [2019-11-25 08:58:13,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,950 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:13,951 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:13,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,956 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 [2019-11-25 08:58:13,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:13,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,958 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:13,958 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:13,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:13,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:13,961 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,965 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 [2019-11-25 08:58:13,966 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,966 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:13,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,967 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,972 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:58:13,972 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-25 08:58:13,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:13,991 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 [2019-11-25 08:58:13,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:13,994 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:13,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:13,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:13,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:13,994 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:13,995 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:13,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,014 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 [2019-11-25 08:58:14,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,016 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,017 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:14,017 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:14,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,021 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,025 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 [2019-11-25 08:58:14,027 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,027 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:14,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,028 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,035 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:14,035 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,058 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 [2019-11-25 08:58:14,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,059 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:14,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,060 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,061 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,074 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 [2019-11-25 08:58:14,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,076 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:14,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,083 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:14,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,093 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,093 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:14,102 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:58:14,103 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,149 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 [2019-11-25 08:58:14,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,152 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,152 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:14,153 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:14,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,171 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 [2019-11-25 08:58:14,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,173 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,174 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:14,175 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:14,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,181 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,186 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 [2019-11-25 08:58:14,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,188 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,189 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,196 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:14,196 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,218 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 [2019-11-25 08:58:14,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,221 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,230 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 [2019-11-25 08:58:14,232 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,232 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,232 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,233 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,240 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,245 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 [2019-11-25 08:58:14,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,247 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,248 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:14,259 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-25 08:58:14,259 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,295 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 [2019-11-25 08:58:14,297 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,297 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,297 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:14,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:14,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,314 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 [2019-11-25 08:58:14,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,317 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,317 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:14,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:14,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,323 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-25 08:58:14,323 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-25 08:58:14,323 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-25 08:58:14,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:14,323 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-11-25 08:58:14,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:14,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258396503] [2019-11-25 08:58:14,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,346 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:14,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 2 times [2019-11-25 08:58:14,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:14,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355582623] [2019-11-25 08:58:14,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,361 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:14,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:14,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-11-25 08:58:14,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:14,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147908763] [2019-11-25 08:58:14,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:14,401 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:14,451 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:14,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:14,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:14,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:14,452 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:14,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:14,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:14,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-25 08:58:14,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:14,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:14,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:14,514 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:14,515 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:14,518 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:14,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:58:14,732 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:14,733 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:14,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:14,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:14,733 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:14,733 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:14,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:14,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:14,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-25 08:58:14,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:14,734 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:14,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:14,833 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:14,834 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,837 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 [2019-11-25 08:58:14,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:14,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:14,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:14,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,842 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,849 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 [2019-11-25 08:58:14,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:14,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,851 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:14,853 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:14,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,858 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,861 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 [2019-11-25 08:58:14,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:14,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,863 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,866 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:14,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,872 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,886 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 [2019-11-25 08:58:14,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:14,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,888 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:14,892 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:14,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,899 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,910 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 [2019-11-25 08:58:14,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:14,915 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:14,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,923 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,931 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 [2019-11-25 08:58:14,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,933 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:14,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,934 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:14,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,951 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,955 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 [2019-11-25 08:58:14,957 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,957 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:14,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,958 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:14,962 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:14,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:14,988 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:14,992 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 [2019-11-25 08:58:14,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:14,994 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:14,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:14,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:14,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:14,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:14,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:14,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:15,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:15,005 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:15,009 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 [2019-11-25 08:58:15,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:15,011 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:15,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,012 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:15,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:15,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:15,081 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:15,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:15,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:15,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:15,081 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:58:15,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:15,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:15,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-25 08:58:15,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:15,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:15,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,232 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:15,232 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:15,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:58:15,241 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:58:15,241 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:58:15,245 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:58:15,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:58:15,792 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:58:15,793 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:15,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:15,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:15,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:15,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:15,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:15,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:15,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-25 08:58:15,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:15,794 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:15,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:15,918 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:15,918 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,921 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 [2019-11-25 08:58:15,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:15,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:15,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:15,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,928 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 [2019-11-25 08:58:15,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:15,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:15,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:15,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,934 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 [2019-11-25 08:58:15,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:15,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:15,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:15,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:15,944 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,947 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 [2019-11-25 08:58:15,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,949 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:15,949 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:15,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:15,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,954 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 [2019-11-25 08:58:15,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,958 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:15,959 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:15,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:15,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,964 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 [2019-11-25 08:58:15,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,965 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:15,971 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:58:15,971 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-25 08:58:15,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:15,987 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:15,994 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 [2019-11-25 08:58:15,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:15,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:15,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:15,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:15,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:15,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:15,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:15,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,010 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 [2019-11-25 08:58:16,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:16,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,012 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:16,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,019 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 [2019-11-25 08:58:16,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:16,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,029 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:16,029 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,045 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,049 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 [2019-11-25 08:58:16,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:16,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,051 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,052 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:16,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,059 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 [2019-11-25 08:58:16,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:16,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,061 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,062 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:16,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,069 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 [2019-11-25 08:58:16,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:16,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,071 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,081 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:58:16,081 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,101 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,106 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 [2019-11-25 08:58:16,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,108 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,108 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:16,109 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:16,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,116 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 [2019-11-25 08:58:16,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,118 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,119 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:16,119 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:58:16,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,134 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 [2019-11-25 08:58:16,135 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,136 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,136 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:58:16,142 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-25 08:58:16,143 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,167 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,174 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 [2019-11-25 08:58:16,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,176 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:16,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,177 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,177 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:16,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,190 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 [2019-11-25 08:58:16,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,194 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:16,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,194 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,195 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:16,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,208 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:58:16,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,217 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:16,217 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:58:16,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,244 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,249 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 [2019-11-25 08:58:16,250 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,250 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,251 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,252 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:16,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:16,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,266 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 [2019-11-25 08:58:16,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,268 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,269 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,270 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:58:16,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,279 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 [2019-11-25 08:58:16,282 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,282 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:58:16,293 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-25 08:58:16,293 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,350 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,353 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 [2019-11-25 08:58:16,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,354 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,355 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,355 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:16,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:16,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,366 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 [2019-11-25 08:58:16,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,368 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:58:16,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,377 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 [2019-11-25 08:58:16,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,379 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:58:16,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:58:16,389 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-25 08:58:16,389 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,408 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:16,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,414 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,414 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:16,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:16,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,426 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 [2019-11-25 08:58:16,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,428 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:16,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,428 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:16,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:16,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3eec06f-84f9-4b40-a1a3-8cdc122c2ea8/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:16,438 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 [2019-11-25 08:58:16,440 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:58:16,440 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:58:16,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:16,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:16,440 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:58:16,452 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-25 08:58:16,453 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:16,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:58:16,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:58:16 BoogieIcfgContainer [2019-11-25 08:58:16,494 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:58:16,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:16,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:16,495 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:16,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:09" (3/4) ... [2019-11-25 08:58:16,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:58:16,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:16,503 INFO L168 Benchmark]: Toolchain (without parser) took 7110.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 944.7 MB in the beginning and 936.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 189.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:16,503 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:16,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:16,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:16,504 INFO L168 Benchmark]: Boogie Preprocessor took 12.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:16,505 INFO L168 Benchmark]: RCFGBuilder took 184.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:16,505 INFO L168 Benchmark]: BuchiAutomizer took 6576.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 936.3 MB in the end (delta: 178.4 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:16,506 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 936.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-25 08:58:16,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6576.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 936.3 MB in the end (delta: 178.4 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 936.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 6.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 6 SDs, 0 SdLazy, 46 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div338 bol100 ite112 ukn100 eq133 hnf54 smp51 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 52ms VariablesStem: 5 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~y~0 > 1);" "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" Loop: "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...