./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:03:39,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:03:39,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:03:39,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:03:39,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:03:39,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:03:39,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:03:39,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:03:39,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:03:39,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:03:39,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:03:39,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:03:39,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:03:39,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:03:39,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:03:39,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:03:39,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:03:39,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:03:39,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:03:39,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:03:39,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:03:39,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:03:39,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:03:39,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:03:39,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:03:39,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:03:39,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:03:39,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:03:39,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:03:39,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:03:39,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:03:39,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:03:39,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:03:39,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:03:39,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:03:39,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:03:39,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:03:39,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:03:39,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:03:39,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:03:39,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:03:39,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:03:39,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:03:39,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:03:39,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:03:39,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:03:39,852 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:03:39,853 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:03:39,853 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:03:39,853 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:03:39,853 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:03:39,853 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:03:39,853 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:03:39,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:03:39,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:03:39,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:03:39,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:03:39,855 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:03:39,856 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:03:39,856 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_a205ff41-46ea-431a-a3b7-bae9937a897c/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 -> ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 [2019-12-07 15:03:39,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:03:39,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:03:39,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:03:39,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:03:39,967 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:03:39,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2019-12-07 15:03:40,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/data/6a88295ad/95ff5669d4aa48b5bc69853103f5b465/FLAGd0c96acde [2019-12-07 15:03:40,436 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:03:40,436 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2019-12-07 15:03:40,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/data/6a88295ad/95ff5669d4aa48b5bc69853103f5b465/FLAGd0c96acde [2019-12-07 15:03:40,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/data/6a88295ad/95ff5669d4aa48b5bc69853103f5b465 [2019-12-07 15:03:40,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:03:40,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:03:40,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:40,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:03:40,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:03:40,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5972f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40, skipping insertion in model container [2019-12-07 15:03:40,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:03:40,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:03:40,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:40,583 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:03:40,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:40,638 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:03:40,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40 WrapperNode [2019-12-07 15:03:40,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:40,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:03:40,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:03:40,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:03:40,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:03:40,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:03:40,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:03:40,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:03:40,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... [2019-12-07 15:03:40,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:03:40,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:03:40,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:03:40,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:03:40,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:03:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:03:40,795 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:03:40,795 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 15:03:40,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:40 BoogieIcfgContainer [2019-12-07 15:03:40,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:03:40,796 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:03:40,796 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:03:40,799 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:03:40,799 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:03:40,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:03:40" (1/3) ... [2019-12-07 15:03:40,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78377b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:03:40, skipping insertion in model container [2019-12-07 15:03:40,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:03:40,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:40" (2/3) ... [2019-12-07 15:03:40,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78377b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:03:40, skipping insertion in model container [2019-12-07 15:03:40,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:03:40,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:40" (3/3) ... [2019-12-07 15:03:40,801 INFO L371 chiAutomizerObserver]: Analyzing ICFG Velroyen.c [2019-12-07 15:03:40,829 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:03:40,829 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:03:40,829 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:03:40,829 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:03:40,829 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:03:40,830 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:03:40,830 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:03:40,830 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:03:40,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 15:03:40,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:03:40,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:03:40,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:03:40,855 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:03:40,855 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:03:40,856 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:03:40,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 15:03:40,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:03:40,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:03:40,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:03:40,857 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:03:40,857 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:03:40,861 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true [2019-12-07 15:03:40,862 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-12-07 15:03:40,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:40,865 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 15:03:40,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:40,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050143610] [2019-12-07 15:03:40,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:40,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2019-12-07 15:03:40,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:40,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119687260] [2019-12-07 15:03:40,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,940 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:40,941 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2019-12-07 15:03:40,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:40,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655517234] [2019-12-07 15:03:40,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:40,948 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:40,986 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:40,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:40,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:40,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:40,987 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:03:40,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:40,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:40,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:40,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2019-12-07 15:03:40,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:40,988 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:41,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,082 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:41,082 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,096 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:41,096 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:41,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,109 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:03:41,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,133 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:03:41,134 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:41,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:41,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:41,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:41,135 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:03:41,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,135 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:41,135 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:41,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2019-12-07 15:03:41,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:41,135 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:41,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,187 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:41,190 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,194 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 [2019-12-07 15:03:41,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:41,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:41,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:41,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,219 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 [2019-12-07 15:03:41,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,221 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,223 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:41,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,227 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,229 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 [2019-12-07 15:03:41,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,231 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,234 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,235 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,243 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 [2019-12-07 15:03:41,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,248 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,248 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,256 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 [2019-12-07 15:03:41,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,258 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,258 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,263 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,271 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 [2019-12-07 15:03:41,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,273 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,276 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,276 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,285 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 [2019-12-07 15:03:41,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,289 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,289 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,298 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 [2019-12-07 15:03:41,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,299 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,299 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,301 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:41,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,306 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,309 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 [2019-12-07 15:03:41,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,311 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,314 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,314 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,323 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 [2019-12-07 15:03:41,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,325 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,328 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,329 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,338 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 [2019-12-07 15:03:41,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,340 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,342 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:41,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,347 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,350 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 [2019-12-07 15:03:41,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,352 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,354 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,355 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,363 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 [2019-12-07 15:03:41,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,365 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,368 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,368 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,376 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 [2019-12-07 15:03:41,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,377 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,378 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,378 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,385 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,388 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 [2019-12-07 15:03:41,390 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,390 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:41,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,390 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,392 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,393 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,402 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 [2019-12-07 15:03:41,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,403 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:41,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,404 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,406 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,406 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,416 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 [2019-12-07 15:03:41,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,417 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:41,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,418 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,418 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,420 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:41,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,429 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,431 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 [2019-12-07 15:03:41,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,433 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,434 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,437 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,437 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,449 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 [2019-12-07 15:03:41,451 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,451 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,451 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,455 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,456 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,470 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 [2019-12-07 15:03:41,472 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,472 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,472 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,473 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,477 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:41,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,490 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,493 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 [2019-12-07 15:03:41,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,497 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,497 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,509 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 [2019-12-07 15:03:41,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,511 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,511 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,514 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,514 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,524 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 [2019-12-07 15:03:41,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,526 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,528 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:41,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,534 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,537 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 [2019-12-07 15:03:41,539 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,539 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,540 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:41,543 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:41,543 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:41,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,555 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 [2019-12-07 15:03:41,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,556 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,557 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:41,560 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:41,560 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:41,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:41,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,572 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:41,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,573 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,573 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:41,576 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,593 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:41,593 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:41,593 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:41,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:41,594 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:03:41,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:41,594 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:41,594 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Lasso [2019-12-07 15:03:41,594 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:41,594 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:41,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,664 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:41,664 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:41,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:41,677 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_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,685 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:41,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:41,688 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:03:41,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:41,711 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:03:41,712 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:41,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:41,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:41,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:41,712 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:03:41,712 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:41,712 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:41,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Lasso [2019-12-07 15:03:41,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:41,713 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:41,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:41,760 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:41,760 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,763 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 [2019-12-07 15:03:41,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:41,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,772 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 [2019-12-07 15:03:41,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,774 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,775 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:41,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,781 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 [2019-12-07 15:03:41,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:41,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,790 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 [2019-12-07 15:03:41,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:03:41,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,796 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 [2019-12-07 15:03:41,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:41,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:03:41,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,799 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,802 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 [2019-12-07 15:03:41,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,803 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,804 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,805 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,811 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 [2019-12-07 15:03:41,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,812 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,812 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,821 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 [2019-12-07 15:03:41,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,823 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,824 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,831 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 [2019-12-07 15:03:41,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,833 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,833 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:03:41,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,838 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 [2019-12-07 15:03:41,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,839 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,840 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:03:41,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,842 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,845 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 [2019-12-07 15:03:41,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,846 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,848 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,848 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,857 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 [2019-12-07 15:03:41,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,859 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,861 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:41,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,868 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 [2019-12-07 15:03:41,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,870 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,871 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:41,872 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:41,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,880 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 [2019-12-07 15:03:41,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,882 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:41,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,888 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 [2019-12-07 15:03:41,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,890 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:41,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:41,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,893 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,896 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 [2019-12-07 15:03:41,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,897 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,899 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,899 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,908 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 [2019-12-07 15:03:41,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,910 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,910 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,912 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:41,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,919 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 [2019-12-07 15:03:41,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,921 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,923 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:41,923 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:41,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,932 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 [2019-12-07 15:03:41,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,934 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,935 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:03:41,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:41,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:41,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,941 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:41,942 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:03:41,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,944 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,947 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 [2019-12-07 15:03:41,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,949 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,949 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,950 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,950 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,959 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 [2019-12-07 15:03:41,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,960 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,960 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:41,960 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:41,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:41,971 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 [2019-12-07 15:03:41,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,973 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,973 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,975 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:41,975 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:41,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,984 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 [2019-12-07 15:03:41,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,985 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,986 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:03:41,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,992 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 [2019-12-07 15:03:41,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:41,993 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:41,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:41,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:41,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:41,993 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:41,994 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:03:41,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:41,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:41,996 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:41,999 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 [2019-12-07 15:03:42,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,000 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,001 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,002 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,002 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,012 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 [2019-12-07 15:03:42,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,013 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,014 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,014 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,015 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:42,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,027 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 [2019-12-07 15:03:42,029 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,029 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,029 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,031 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,031 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,040 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 [2019-12-07 15:03:42,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,041 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:42,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,048 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 [2019-12-07 15:03:42,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,050 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,050 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:42,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,053 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,056 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 [2019-12-07 15:03:42,057 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,058 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,058 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,060 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,060 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,070 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 [2019-12-07 15:03:42,072 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,072 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,072 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,072 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,074 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:42,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,088 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 [2019-12-07 15:03:42,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,089 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,090 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,092 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,092 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,104 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 [2019-12-07 15:03:42,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,105 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,106 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,106 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:03:42,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,113 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 [2019-12-07 15:03:42,114 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,115 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,115 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,116 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:03:42,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,120 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,123 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 [2019-12-07 15:03:42,124 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,124 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,126 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,127 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,136 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 [2019-12-07 15:03:42,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,137 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,138 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,138 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,139 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:42,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:42,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,150 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,151 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,151 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,163 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 [2019-12-07 15:03:42,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,164 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,165 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:42,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,170 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 [2019-12-07 15:03:42,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,171 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,172 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,172 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:42,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,175 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,177 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 [2019-12-07 15:03:42,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,179 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,179 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,181 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:42,181 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:42,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,192 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 [2019-12-07 15:03:42,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,194 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,194 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,196 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:42,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,211 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,211 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,214 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:42,214 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:42,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,228 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 [2019-12-07 15:03:42,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,231 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,241 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 [2019-12-07 15:03:42,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,243 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,243 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,249 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 15:03:42,249 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-12-07 15:03:42,249 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2019-12-07 15:03:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,249 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2019-12-07 15:03:42,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131649556] [2019-12-07 15:03:42,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,255 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 2 times [2019-12-07 15:03:42,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504372990] [2019-12-07 15:03:42,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,260 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash 29875904, now seen corresponding path program 3 times [2019-12-07 15:03:42,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427166456] [2019-12-07 15:03:42,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:03:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:03:42,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427166456] [2019-12-07 15:03:42,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:03:42,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:03:42,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653021362] [2019-12-07 15:03:42,302 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:42,302 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:42,302 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:42,302 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:42,302 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:03:42,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:42,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:42,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2019-12-07 15:03:42,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:42,302 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:42,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,352 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:42,353 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:42,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:42,359 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:03:42,359 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:03:42,364 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:03:42,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:03:42,385 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:03:42,387 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:03:42,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:03:42,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:03:42,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:03:42,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:03:42,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:03:42,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:03:42,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2019-12-07 15:03:42,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:03:42,388 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:03:42,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:03:42,425 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:03:42,425 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:42,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:42,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:42,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,437 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 [2019-12-07 15:03:42,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:42,439 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:03:42,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,445 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 [2019-12-07 15:03:42,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:03:42,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:03:42,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,451 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,453 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 [2019-12-07 15:03:42,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,456 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:42,456 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:42,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,463 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 [2019-12-07 15:03:42,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,465 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,465 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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 [2019-12-07 15:03:42,472 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 [2019-12-07 15:03:42,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,473 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,475 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:42,475 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:42,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,483 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,486 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 [2019-12-07 15:03:42,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,489 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,489 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:42,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,499 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,499 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,501 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:42,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,508 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 [2019-12-07 15:03:42,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,510 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,511 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,511 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,517 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,520 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 [2019-12-07 15:03:42,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,521 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,523 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,523 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/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) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,531 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 [2019-12-07 15:03:42,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,533 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,534 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:42,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,542 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 [2019-12-07 15:03:42,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:03:42,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,543 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,545 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,545 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,550 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:03:42,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,554 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,554 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,555 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:42,555 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:42,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,563 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 [2019-12-07 15:03:42,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,565 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,565 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:03:42,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,575 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 [2019-12-07 15:03:42,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,577 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:03:42,578 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:03:42,578 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:03:42,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,582 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,585 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 [2019-12-07 15:03:42,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,586 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,588 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,588 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,597 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 [2019-12-07 15:03:42,599 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,599 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,599 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,599 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,601 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:42,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,612 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 [2019-12-07 15:03:42,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,614 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:03:42,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,614 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,615 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,615 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,621 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,624 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 [2019-12-07 15:03:42,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,625 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,628 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,628 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,640 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 [2019-12-07 15:03:42,641 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,641 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,642 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,642 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,644 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 15:03:42,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,657 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 [2019-12-07 15:03:42,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,659 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,659 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:03:42,661 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:03:42,661 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:03:42,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,669 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,672 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 [2019-12-07 15:03:42,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,673 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,675 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,675 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,682 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 [2019-12-07 15:03:42,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,685 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 15:03:42,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,693 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 [2019-12-07 15:03:42,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,694 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:03:42,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,694 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:03:42,695 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,696 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:03:42,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,700 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,703 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 [2019-12-07 15:03:42,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,705 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,705 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,707 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:42,707 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:42,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,718 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 [2019-12-07 15:03:42,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,720 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:03:42,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,720 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 15:03:42,720 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,722 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:03:42,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:03:42,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:03:42,733 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 [2019-12-07 15:03:42,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:03:42,734 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:03:42,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:03:42,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:03:42,735 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:03:42,736 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:03:42,736 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:03:42,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:03:42,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:03:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:03:42,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:03:42,754 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-12-07 15:03:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:03:42,769 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2019-12-07 15:03:42,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:03:42,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2019-12-07 15:03:42,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:03:42,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 5 states and 7 transitions. [2019-12-07 15:03:42,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-12-07 15:03:42,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-12-07 15:03:42,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2019-12-07 15:03:42,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:03:42,775 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-12-07 15:03:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2019-12-07 15:03:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-12-07 15:03:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:03:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-12-07 15:03:42,794 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-12-07 15:03:42,794 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-12-07 15:03:42,794 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:03:42,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2019-12-07 15:03:42,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:03:42,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:03:42,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:03:42,795 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:03:42,795 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 15:03:42,795 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 39#L15-1 [2019-12-07 15:03:42,795 INFO L796 eck$LassoCheckResult]: Loop: 39#L15-1 assume !!(0 != main_~x~0); 37#L15 assume -5 <= main_~x~0 && main_~x~0 <= 35; 38#L16 assume main_~x~0 < 0;main_~x~0 := -5; 39#L15-1 [2019-12-07 15:03:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,796 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-12-07 15:03:42,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661833158] [2019-12-07 15:03:42,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,799 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:42,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2019-12-07 15:03:42,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369991819] [2019-12-07 15:03:42,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2019-12-07 15:03:42,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:42,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575883099] [2019-12-07 15:03:42,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:03:42,808 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:03:42,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:03:42 BoogieIcfgContainer [2019-12-07 15:03:42,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:03:42,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:03:42,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:03:42,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:03:42,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:40" (3/4) ... [2019-12-07 15:03:42,842 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 15:03:42,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a205ff41-46ea-431a-a3b7-bae9937a897c/bin/uautomizer/witness.graphml [2019-12-07 15:03:42,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:03:42,871 INFO L168 Benchmark]: Toolchain (without parser) took 2418.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 946.1 MB in the beginning and 951.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 170.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:42,871 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:03:42,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:42,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:03:42,872 INFO L168 Benchmark]: Boogie Preprocessor took 11.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:03:42,872 INFO L168 Benchmark]: RCFGBuilder took 125.82 ms. Allocated memory is still 1.1 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. [2019-12-07 15:03:42,872 INFO L168 Benchmark]: BuchiAutomizer took 2041.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 131.0 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:42,873 INFO L168 Benchmark]: Witness Printer took 31.32 ms. Allocated memory is still 1.2 GB. Free memory was 953.7 MB in the beginning and 951.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:42,874 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 125.82 ms. Allocated memory is still 1.1 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 2041.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 953.7 MB in the end (delta: 131.0 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. * Witness Printer took 31.32 ms. Allocated memory is still 1.2 GB. Free memory was 953.7 MB in the beginning and 951.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf92 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@364cfe0e=0, \result=0, x=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x = __VERIFIER_nondet_int(); Loop: [L14] COND TRUE x!=0 [L15] COND TRUE -5 <= x && x <= 35 [L16] COND TRUE x < 0 [L17] x = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...