./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:48:33,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:48:33,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:48:33,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:48:33,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:48:33,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:48:33,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:48:33,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:48:33,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:48:33,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:48:33,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:48:33,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:48:33,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:48:33,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:48:33,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:48:33,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:48:33,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:48:33,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:48:33,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:48:33,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:48:33,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:48:33,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:48:33,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:48:33,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:48:33,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:48:33,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:48:33,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:48:33,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:48:33,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:48:33,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:48:33,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:48:33,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:48:33,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:48:33,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:48:33,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:48:33,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:48:33,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:48:33,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:48:33,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:48:33,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:48:33,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:48:33,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 03:48:33,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:48:33,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:48:33,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:48:33,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:48:33,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:48:33,523 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:48:33,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:48:33,523 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:48:33,524 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:48:33,524 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:48:33,524 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:48:33,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:48:33,525 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:48:33,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:48:33,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:48:33,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:48:33,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:48:33,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:48:33,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:48:33,527 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:48:33,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:48:33,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:48:33,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:48:33,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:48:33,528 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:48:33,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:48:33,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:48:33,529 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:48:33,530 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:48:33,530 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_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 -> 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 [2019-11-20 03:48:33,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:48:33,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:48:33,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:48:33,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:48:33,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:48:33,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2019-11-20 03:48:33,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/data/e379d2e57/b0a9fa8edb844b498684cbdf29aee6a1/FLAGa3bea128c [2019-11-20 03:48:34,268 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:48:34,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2019-11-20 03:48:34,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/data/e379d2e57/b0a9fa8edb844b498684cbdf29aee6a1/FLAGa3bea128c [2019-11-20 03:48:34,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/data/e379d2e57/b0a9fa8edb844b498684cbdf29aee6a1 [2019-11-20 03:48:34,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:48:34,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:48:34,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:48:34,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:48:34,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:48:34,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:48:34" (1/1) ... [2019-11-20 03:48:34,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46659513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:34, skipping insertion in model container [2019-11-20 03:48:34,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:48:34" (1/1) ... [2019-11-20 03:48:34,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:48:34,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:48:34,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:48:34,889 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:48:35,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:48:35,028 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:48:35,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35 WrapperNode [2019-11-20 03:48:35,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:48:35,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:48:35,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:48:35,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:48:35,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:48:35,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:48:35,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:48:35,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:48:35,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... [2019-11-20 03:48:35,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:48:35,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:48:35,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:48:35,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:48:35,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:48:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:48:35,273 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:48:35,273 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 03:48:35,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:48:35 BoogieIcfgContainer [2019-11-20 03:48:35,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:48:35,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:48:35,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:48:35,279 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:48:35,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:48:35,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:48:34" (1/3) ... [2019-11-20 03:48:35,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e345275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:48:35, skipping insertion in model container [2019-11-20 03:48:35,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:48:35,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:48:35" (2/3) ... [2019-11-20 03:48:35,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e345275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:48:35, skipping insertion in model container [2019-11-20 03:48:35,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:48:35,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:48:35" (3/3) ... [2019-11-20 03:48:35,284 INFO L371 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4.c [2019-11-20 03:48:35,337 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:48:35,337 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:48:35,337 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:48:35,337 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:48:35,338 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:48:35,338 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:48:35,338 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:48:35,338 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:48:35,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 03:48:35,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 03:48:35,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:48:35,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:48:35,383 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 03:48:35,383 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 03:48:35,383 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:48:35,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 03:48:35,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 03:48:35,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:48:35,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:48:35,385 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 03:48:35,386 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 03:48:35,394 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true [2019-11-20 03:48:35,395 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2019-11-20 03:48:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:35,402 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-11-20 03:48:35,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:35,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842852468] [2019-11-20 03:48:35,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:48:35,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2019-11-20 03:48:35,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:35,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894097304] [2019-11-20 03:48:35,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:48:35,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:35,539 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2019-11-20 03:48:35,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:35,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760271381] [2019-11-20 03:48:35,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:35,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:48:35,679 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:48:35,680 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:48:35,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:48:35,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:48:35,681 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:48:35,681 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:35,681 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:48:35,681 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:48:35,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2019-11-20 03:48:35,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:48:35,682 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:48:35,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:35,854 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:48:35,855 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:35,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:48:35,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:48:35,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:48:35,876 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_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:35,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:48:35,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:48:35,888 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:48:35,889 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:35,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:48:35,898 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:35,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:48:35,902 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:35,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:48:35,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:48:35,912 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:48:35,912 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_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:35,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:48:35,917 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:35,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:48:35,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:48:36,001 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:48:36,002 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:48:36,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:48:36,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:48:36,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:48:36,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:48:36,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:48:36,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:48:36,004 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2019-11-20 03:48:36,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:48:36,004 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:48:36,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:48:36,124 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:48:36,129 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:36,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:48:36,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:48:36,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:48:36,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:48:36,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:36,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,322 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 [2019-11-20 03:48:36,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:48:36,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:36,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:36,343 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,354 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,368 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,368 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,406 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,408 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,423 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:36,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:36,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,444 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,445 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:36,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,467 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,479 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,480 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 03:48:36,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,509 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,515 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,515 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 03:48:36,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:36,524 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,546 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 [2019-11-20 03:48:36,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,556 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:36,556 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,586 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 [2019-11-20 03:48:36,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,590 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,592 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:36,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:36,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,606 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:36,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:36,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,624 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,626 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:36,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,647 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:36,647 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,669 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:36,674 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:36,675 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:36,685 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,690 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 [2019-11-20 03:48:36,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,694 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:36,700 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:36,700 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:36,722 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:36,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,742 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 [2019-11-20 03:48:36,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,746 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:36,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:36,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,762 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 [2019-11-20 03:48:36,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,765 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:36,767 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:36,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:36,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,798 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,808 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:36,808 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 03:48:36,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:48:36,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:36,844 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:36,844 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:36,858 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,866 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,867 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,871 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,871 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,892 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,893 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,894 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,910 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,911 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,912 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,926 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,927 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:36,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 03:48:36,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,944 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,944 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,950 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,950 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:36,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:36,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:36,974 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:36,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:36,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:36,974 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 03:48:36,978 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 03:48:36,979 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:36,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:36,992 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,017 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 Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,020 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,020 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,024 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,025 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 03:48:37,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,044 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,046 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,064 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,064 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,078 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 [2019-11-20 03:48:37,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,081 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,081 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,097 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,097 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,104 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,104 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,130 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 03:48:37,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,135 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,135 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:37,147 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,152 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 [2019-11-20 03:48:37,155 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,155 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,156 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,162 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:37,162 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,184 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,186 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:37,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,209 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,210 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,212 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:37,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,226 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,227 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,227 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,229 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 03:48:37,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,245 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,245 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,245 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,253 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:37,253 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,284 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 03:48:37,289 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 03:48:37,289 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:37,303 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,310 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,310 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,311 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,314 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,314 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,329 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,330 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,331 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:37,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,343 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,343 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:37,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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 [2019-11-20 03:48:37,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,359 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,359 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,360 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,360 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:48:37,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:48:37,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,377 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,377 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,383 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,383 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 03:48:37,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,403 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 03:48:37,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 03:48:37,407 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 03:48:37,407 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:37,416 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,423 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,423 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,428 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 03:48:37,428 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,446 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,446 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,446 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:37,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,460 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,461 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:37,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,476 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:48:37,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,476 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:48:37,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/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) [2019-11-20 03:48:37,489 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 [2019-11-20 03:48:37,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,492 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,492 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,500 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 03:48:37,501 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:48:37,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:48:37,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 03:48:37,533 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 03:48:37,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:48:37,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:48:37,533 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 03:48:37,539 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 03:48:37,540 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:48:37,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 03:48:37,553 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-20 03:48:37,554 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2019-11-20 03:48:37,554 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2019-11-20 03:48:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:37,555 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 2 times [2019-11-20 03:48:37,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:37,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767677208] [2019-11-20 03:48:37,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:37,567 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:48:37,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:37,567 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 2 times [2019-11-20 03:48:37,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:37,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450913532] [2019-11-20 03:48:37,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:48:37,584 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:48:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:37,587 INFO L82 PathProgramCache]: Analyzing trace with hash 957572, now seen corresponding path program 3 times [2019-11-20 03:48:37,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:48:37,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389839348] [2019-11-20 03:48:37,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:48:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:48:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:48:37,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389839348] [2019-11-20 03:48:37,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607893090] [2019-11-20 03:48:37,643 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b73be63-64d0-44b0-8058-5fe05025b5a9/bin/uautomizer/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:48:37,675 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-20 03:48:37,675 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 03:48:37,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 03:48:37,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:48:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:48:37,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:48:37,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 03:48:37,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327523873] [2019-11-20 03:48:37,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:48:37,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:48:37,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:48:37,750 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2019-11-20 03:48:37,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:48:37,785 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-20 03:48:37,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:48:37,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2019-11-20 03:48:37,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:48:37,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-20 03:48:37,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:48:37,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:48:37,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:48:37,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:48:37,796 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:48:37,796 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:48:37,796 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:48:37,796 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:48:37,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:48:37,797 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:48:37,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:48:37,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:48:37 BoogieIcfgContainer [2019-11-20 03:48:37,802 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:48:37,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:48:37,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:48:37,803 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:48:37,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:48:35" (3/4) ... [2019-11-20 03:48:37,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:48:37,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:48:37,810 INFO L168 Benchmark]: Toolchain (without parser) took 3184.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -63.6 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:37,810 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:48:37,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:37,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:48:37,812 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:48:37,812 INFO L168 Benchmark]: RCFGBuilder took 188.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:37,813 INFO L168 Benchmark]: BuchiAutomizer took 2526.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 135.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:37,813 INFO L168 Benchmark]: Witness Printer took 5.28 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. [2019-11-20 03:48:37,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 188.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2526.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 135.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...