./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.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_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 bc157475d6c321934f68f6b441d83c0582720461 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:27:12,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:27:12,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:27:12,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:27:12,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:27:12,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:27:12,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:27:12,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:27:12,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:27:12,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:27:12,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:27:12,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:27:12,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:27:12,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:27:12,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:27:12,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:27:12,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:27:12,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:27:12,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:27:12,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:27:12,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:27:12,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:27:12,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:27:12,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:27:12,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:27:12,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:27:12,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:27:12,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:27:12,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:27:12,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:27:12,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:27:12,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:27:12,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:27:12,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:27:12,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:27:12,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:27:12,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:27:12,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:27:12,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:27:12,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:27:12,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:27:12,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:27:12,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:27:12,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:27:12,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:27:12,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:27:12,494 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:27:12,494 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:27:12,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:27:12,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:27:12,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:27:12,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:27:12,497 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:27:12,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:27:12,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:27:12,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:27:12,497 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:27:12,498 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:27:12,498 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_d346aa61-944c-431a-9f98-a04d52470b39/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 -> bc157475d6c321934f68f6b441d83c0582720461 [2019-12-07 11:27:12,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:27:12,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:27:12,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:27:12,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:27:12,616 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:27:12,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-12-07 11:27:12,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/data/355d70db2/5d5f9bbbfed843c7a591a22ebce2de76/FLAG959e8d9b6 [2019-12-07 11:27:13,073 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:27:13,073 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-12-07 11:27:13,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/data/355d70db2/5d5f9bbbfed843c7a591a22ebce2de76/FLAG959e8d9b6 [2019-12-07 11:27:13,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/data/355d70db2/5d5f9bbbfed843c7a591a22ebce2de76 [2019-12-07 11:27:13,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:27:13,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:27:13,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:27:13,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:27:13,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:27:13,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13, skipping insertion in model container [2019-12-07 11:27:13,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:27:13,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:27:13,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:27:13,206 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:27:13,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:27:13,261 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:27:13,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13 WrapperNode [2019-12-07 11:27:13,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:27:13,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:27:13,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:27:13,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:27:13,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:27:13,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:27:13,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:27:13,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:27:13,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... [2019-12-07 11:27:13,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:27:13,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:27:13,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:27:13,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:27:13,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:27:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:27:13,423 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:27:13,423 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:27:13,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:13 BoogieIcfgContainer [2019-12-07 11:27:13,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:27:13,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:27:13,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:27:13,426 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:27:13,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:13,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:27:13" (1/3) ... [2019-12-07 11:27:13,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1496ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:27:13, skipping insertion in model container [2019-12-07 11:27:13,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:13,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:13" (2/3) ... [2019-12-07 11:27:13,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1496ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:27:13, skipping insertion in model container [2019-12-07 11:27:13,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:13,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:13" (3/3) ... [2019-12-07 11:27:13,429 INFO L371 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2019-12-07 11:27:13,458 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:27:13,458 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:27:13,458 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:27:13,459 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:27:13,459 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:27:13,459 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:27:13,459 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:27:13,459 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:27:13,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 11:27:13,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:13,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:13,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:13,484 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 11:27:13,484 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:27:13,484 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:27:13,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 11:27:13,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:13,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:13,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:13,485 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 11:27:13,486 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:27:13,490 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2019-12-07 11:27:13,491 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2019-12-07 11:27:13,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:13,494 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 11:27:13,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:13,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693317731] [2019-12-07 11:27:13,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:13,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:13,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:13,562 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2019-12-07 11:27:13,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:13,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124769963] [2019-12-07 11:27:13,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:13,584 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:13,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:13,585 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2019-12-07 11:27:13,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:13,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144726082] [2019-12-07 11:27:13,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:27:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:27:13,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144726082] [2019-12-07 11:27:13,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:27:13,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 11:27:13,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728198182] [2019-12-07 11:27:13,691 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:13,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:13,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:13,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:13,692 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:27:13,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:13,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:13,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:13,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-12-07 11:27:13,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:13,693 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:13,705 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 11:27:13,718 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 11:27:13,721 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 11:27:13,798 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:13,799 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:13,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:13,803 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:13,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:27:13,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:14,414 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:27:14,416 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:14,416 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:14,416 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:14,416 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:14,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:27:14,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:14,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:14,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:14,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2019-12-07 11:27:14,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:14,417 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:14,418 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 11:27:14,424 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 11:27:14,426 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 11:27:14,482 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:14,485 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,489 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 11:27:14,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:14,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:14,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,500 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 11:27:14,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,502 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:14,502 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,509 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 11:27:14,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:14,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:14,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,514 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,517 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 11:27:14,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,518 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,520 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:14,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,528 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 11:27:14,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,530 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,530 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:14,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,537 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 11:27:14,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,539 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,540 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:14,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,543 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,546 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 11:27:14,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,550 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,557 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 11:27:14,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,558 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,558 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,560 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 11:27:14,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,566 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 11:27:14,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,572 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,574 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 11:27:14,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,579 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:14,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,586 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 11:27:14,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,588 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,588 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,590 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 11:27:14,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,599 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 11:27:14,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:14,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,601 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,601 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:14,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,604 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,608 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 11:27:14,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,609 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,610 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,612 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:14,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,620 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 11:27:14,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,622 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,622 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:14,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:14,633 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,633 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,633 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:14,634 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:14,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,638 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,641 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 11:27:14,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,643 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:14,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,649 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,660 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 11:27:14,662 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,662 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:14,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,663 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,663 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,667 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 11:27:14,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,679 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 11:27:14,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,681 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:14,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,681 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,687 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,690 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 11:27:14,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,693 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,697 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:14,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,712 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 11:27:14,714 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,714 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,715 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,715 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,719 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 11:27:14,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,735 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 11:27:14,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,738 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,738 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:14,740 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:14,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,746 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,749 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 11:27:14,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,751 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,752 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,762 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 11:27:14,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,764 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,764 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,764 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,765 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 11:27:14,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,772 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 11:27:14,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,774 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:14,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,774 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:14,775 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:14,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,779 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,782 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 11:27:14,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,784 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,785 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:14,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:14,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,799 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 11:27:14,801 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,801 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,802 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:27:14,802 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:14,804 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:27:14,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,814 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 11:27:14,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:14,815 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:14,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:14,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:14,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:14,816 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:14,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:14,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:14,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:14,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:27:14,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:27:14,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:27:14,835 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-12-07 11:27:14,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:27:14,842 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-12-07 11:27:14,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:27:14,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2019-12-07 11:27:14,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:14,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2019-12-07 11:27:14,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 11:27:14,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-12-07 11:27:14,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2019-12-07 11:27:14,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:27:14,849 INFO L688 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-12-07 11:27:14,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2019-12-07 11:27:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-12-07 11:27:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:27:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2019-12-07 11:27:14,867 INFO L711 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-12-07 11:27:14,867 INFO L591 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2019-12-07 11:27:14,867 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:27:14,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2019-12-07 11:27:14,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:14,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:14,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:14,868 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 11:27:14,868 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:27:14,868 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2019-12-07 11:27:14,869 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-12-07 11:27:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:14,869 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-12-07 11:27:14,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:14,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883646834] [2019-12-07 11:27:14,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,873 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:14,873 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2019-12-07 11:27:14,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:14,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703804634] [2019-12-07 11:27:14,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,883 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:14,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:14,884 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2019-12-07 11:27:14,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:14,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873718948] [2019-12-07 11:27:14,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:14,892 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:14,909 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:14,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:14,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:14,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:14,910 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:27:14,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:14,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:14,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:14,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-12-07 11:27:14,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:14,910 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:14,911 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 11:27:14,919 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 11:27:14,922 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 11:27:14,994 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:14,994 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:14,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:14,998 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:27:15,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,205 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:27:15,207 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:15,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:15,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:15,208 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:15,208 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:27:15,208 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:15,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:15,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:15,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-12-07 11:27:15,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:15,208 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:15,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:27:15,217 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 11:27:15,219 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 11:27:15,270 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:15,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,273 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 11:27:15,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,282 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 11:27:15,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,289 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 11:27:15,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,293 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,296 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 11:27:15,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,297 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,298 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,306 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 11:27:15,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,308 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,308 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,316 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,316 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,319 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,322 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 11:27:15,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,332 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 11:27:15,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,340 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 11:27:15,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,343 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,345 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,352 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 11:27:15,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,354 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,355 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,364 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 11:27:15,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,366 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,367 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,372 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 11:27:15,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,374 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,374 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,376 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,379 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 11:27:15,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,380 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,381 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,382 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,390 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 11:27:15,391 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,391 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,392 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,392 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,398 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 11:27:15,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,400 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,400 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,400 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,404 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,408 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 11:27:15,409 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,410 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:15,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,410 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,413 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,427 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,427 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:15,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,428 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,435 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 11:27:15,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,437 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:15,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,437 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,438 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,443 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,446 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 11:27:15,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,448 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,449 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,452 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,470 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 11:27:15,472 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,472 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,473 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,474 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,482 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 11:27:15,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,484 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,485 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:15,486 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:15,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,491 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,494 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 11:27:15,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,496 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,507 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 11:27:15,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,508 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,509 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,516 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:15,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,516 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,517 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,519 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,522 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 11:27:15,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,524 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:15,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:15,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,536 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 11:27:15,537 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,537 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,538 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:15,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:15,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,545 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 11:27:15,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:15,547 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:15,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,547 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:15,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:15,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,556 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:15,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:15,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:15,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:15,557 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:27:15,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:15,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:15,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:15,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-12-07 11:27:15,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:15,557 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:15,558 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 11:27:15,559 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 11:27:15,560 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 11:27:15,562 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 11:27:15,564 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 11:27:15,628 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:15,628 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:15,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:27:15,636 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_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:15,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,644 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:27:15,644 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:15,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:27:15,651 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:15,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:27:15,657 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:15,661 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:27:15,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:15,797 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:27:15,799 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:15,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:15,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:15,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:15,799 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:27:15,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:15,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:15,799 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:15,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2019-12-07 11:27:15,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:15,799 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:15,800 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 11:27:15,802 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 11:27:15,804 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 11:27:15,805 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 11:27:15,806 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 11:27:15,879 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:15,879 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,882 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 11:27:15,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,888 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 11:27:15,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:15,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:27:15,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,897 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 11:27:15,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,904 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 11:27:15,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:15,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:15,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,915 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,919 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,924 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 11:27:15,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,925 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,927 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 11:27:15,927 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 11:27:15,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,938 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 11:27:15,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,940 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,941 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,946 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 11:27:15,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,947 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,948 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,953 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 11:27:15,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,954 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:15,955 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:15,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:15,958 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,961 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 11:27:15,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:15,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,977 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:27:15,978 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:27:15,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,985 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 11:27:15,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,987 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:15,992 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 11:27:15,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:15,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:15,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:15,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:15,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:15,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:15,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:15,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,000 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 11:27:16,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,001 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,002 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,008 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,011 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 11:27:16,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,012 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,012 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,017 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 11:27:16,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,018 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,020 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 11:27:16,020 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 11:27:16,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,029 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 11:27:16,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,031 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,031 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,035 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 11:27:16,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,037 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,042 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 11:27:16,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,044 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,045 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,049 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,052 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 11:27:16,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,054 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,054 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,054 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,067 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 11:27:16,068 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,068 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,068 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,070 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 11:27:16,070 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 11:27:16,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,078 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 11:27:16,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,080 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,080 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,081 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,091 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,092 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,092 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,098 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 11:27:16,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,099 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,100 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,105 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,108 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 11:27:16,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,110 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,117 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 11:27:16,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,118 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,118 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,120 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:27:16,120 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:27:16,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,131 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 11:27:16,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,132 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,133 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,133 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,141 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 11:27:16,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,143 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,143 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,153 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,153 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,154 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,162 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,164 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 11:27:16,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,167 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,167 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,176 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,176 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,178 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 11:27:16,178 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 11:27:16,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,189 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 11:27:16,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,191 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,191 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,192 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,198 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 11:27:16,200 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,200 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,200 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,201 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,208 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 11:27:16,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,210 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,212 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,224 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,227 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 11:27:16,228 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,228 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,228 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,229 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,234 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 11:27:16,235 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,235 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,235 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,237 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:27:16,237 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:27:16,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,246 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,246 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,252 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 11:27:16,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,254 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,254 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,254 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,260 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 11:27:16,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,262 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,264 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,269 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,271 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 11:27:16,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,273 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,278 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 11:27:16,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,280 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,280 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,283 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 11:27:16,283 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 11:27:16,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,293 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 11:27:16,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,295 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,295 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,302 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 11:27:16,304 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,304 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,304 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,312 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 11:27:16,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,314 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,314 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,324 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 11:27:16,324 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-12-07 11:27:16,324 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2019-12-07 11:27:16,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,324 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2019-12-07 11:27:16,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180905191] [2019-12-07 11:27:16,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,332 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:16,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,333 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2019-12-07 11:27:16,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733299282] [2019-12-07 11:27:16,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,341 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:16,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2019-12-07 11:27:16,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298201508] [2019-12-07 11:27:16,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:27:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:27:16,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298201508] [2019-12-07 11:27:16,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:27:16,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:27:16,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151640086] [2019-12-07 11:27:16,389 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:16,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:16,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:16,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:16,390 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:27:16,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:16,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:16,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-12-07 11:27:16,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:16,390 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:16,391 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 11:27:16,398 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 11:27:16,400 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 11:27:16,448 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:16,448 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:16,451 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/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 11:27:16,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:27:16,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:16,612 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:27:16,614 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:16,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:16,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:16,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:16,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:27:16,614 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,614 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:16,614 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:16,614 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2019-12-07 11:27:16,614 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:16,615 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:16,615 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 11:27:16,622 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 11:27:16,624 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 11:27:16,672 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:16,672 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,675 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 11:27:16,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:16,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:16,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,683 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 11:27:16,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:16,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:16,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,689 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 11:27:16,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:16,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:16,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,692 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,695 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 11:27:16,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,696 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,697 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,704 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 11:27:16,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,705 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,706 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,714 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 11:27:16,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,715 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,715 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,718 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,721 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 11:27:16,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,731 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,736 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 11:27:16,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,737 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,737 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,739 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,742 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 11:27:16,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,744 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,746 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,755 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,755 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,761 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 11:27:16,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:16,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,762 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,763 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,765 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,768 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 11:27:16,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,769 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,770 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,771 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 126 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,781 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 11:27:16,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,784 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,789 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 11:27:16,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,790 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,791 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:27:16,791 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:27:16,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,794 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,797 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 11:27:16,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,799 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,800 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 129 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,811 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 11:27:16,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,812 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,813 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 130 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,819 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 11:27:16,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,821 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 11:27:16,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,825 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,828 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 11:27:16,829 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,829 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,829 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,831 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,859 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 11:27:16,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,860 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,861 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,863 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,870 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 11:27:16,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,871 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,872 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:27:16,872 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:27:16,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,877 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 134 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,879 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 11:27:16,880 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,881 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,882 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,890 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,890 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,890 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 136 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,896 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 11:27:16,897 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,897 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:27:16,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,898 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:27:16,898 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:27:16,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,901 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,904 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 11:27:16,906 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,906 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,907 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:27:16,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,922 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,922 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,929 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 11:27:16,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:27:16,931 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 11:27:16,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:16,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:16,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:16,931 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 11:27:16,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:27:16,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:16,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:27:16,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:27:16,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:27:16,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:27:16,936 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-12-07 11:27:16,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:27:16,944 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-12-07 11:27:16,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:27:16,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2019-12-07 11:27:16,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:16,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2019-12-07 11:27:16,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 11:27:16,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-12-07 11:27:16,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2019-12-07 11:27:16,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:27:16,946 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-12-07 11:27:16,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2019-12-07 11:27:16,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-12-07 11:27:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 11:27:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-12-07 11:27:16,947 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-12-07 11:27:16,947 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-12-07 11:27:16,947 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 11:27:16,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2019-12-07 11:27:16,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:27:16,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:16,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:16,948 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 11:27:16,948 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:27:16,948 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-12-07 11:27:16,948 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2019-12-07 11:27:16,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,948 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-12-07 11:27:16,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736451346] [2019-12-07 11:27:16,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,955 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:16,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,955 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2019-12-07 11:27:16,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057500748] [2019-12-07 11:27:16,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:16,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:16,961 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2019-12-07 11:27:16,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:16,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94539132] [2019-12-07 11:27:16,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:16,972 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:16,985 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:16,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:16,985 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:16,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:16,985 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:27:16,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:16,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:16,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:16,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-12-07 11:27:16,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:16,986 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:16,986 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 11:27:16,988 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 11:27:17,043 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:17,043 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 140 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:17,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:17,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:27:17,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 141 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:27:17,053 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:27:17,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:27:17,065 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:27:17,066 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:27:17,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:27:17,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:27:17,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:27:17,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:27:17,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:27:17,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:27:17,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2019-12-07 11:27:17,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:27:17,066 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:27:17,067 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 11:27:17,069 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 11:27:17,120 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:27:17,120 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,122 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 11:27:17,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:17,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:17,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:17,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:17,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:17,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:17,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:17,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,129 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 11:27:17,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:27:17,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:27:17,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:27:17,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:27:17,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:27:17,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:27:17,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:27:17,133 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:27:17,135 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:27:17,135 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d346aa61-944c-431a-9f98-a04d52470b39/bin/uautomizer/z3 Starting monitored process 145 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 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:27:17,139 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:27:17,139 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:27:17,139 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:27:17,140 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2019-12-07 11:27:17,142 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:27:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:27:17,173 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:27:17,174 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:27:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:27:17,180 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:27:17,181 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:27:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:27:17,189 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 11:27:17,190 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-12-07 11:27:17,211 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2019-12-07 11:27:17,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 11:27:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:27:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-12-07 11:27:17,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2019-12-07 11:27:17,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:27:17,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 11:27:17,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:27:17,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2019-12-07 11:27:17,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:27:17,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-12-07 11:27:17,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:27:17,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-12-07 11:27:17,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:27:17,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:27:17,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:27:17,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:27:17,216 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:27:17,216 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:27:17,216 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:27:17,216 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 11:27:17,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:27:17,216 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:27:17,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:27:17,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:27:17 BoogieIcfgContainer [2019-12-07 11:27:17,220 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:27:17,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:27:17,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:27:17,221 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:27:17,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:13" (3/4) ... [2019-12-07 11:27:17,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:27:17,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:27:17,225 INFO L168 Benchmark]: Toolchain (without parser) took 4136.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 940.8 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:27:17,225 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:27:17,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:27:17,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.92 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 11:27:17,226 INFO L168 Benchmark]: Boogie Preprocessor took 11.16 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 11:27:17,226 INFO L168 Benchmark]: RCFGBuilder took 129.60 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 11:27:17,227 INFO L168 Benchmark]: BuchiAutomizer took 3796.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.1 MB). Peak memory consumption was 103.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:27:17,227 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:27:17,228 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.92 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 11.16 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 129.60 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 3796.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.1 MB). Peak memory consumption was 103.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div257 bol100 ite112 ukn100 eq150 hnf59 smp59 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 13ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...