./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:01:20,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:01:20,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:01:20,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:01:20,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:01:20,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:01:20,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:01:20,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:01:20,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:01:20,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:01:20,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:01:20,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:01:20,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:01:20,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:01:20,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:01:20,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:01:20,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:01:20,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:01:20,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:01:20,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:01:20,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:01:20,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:01:20,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:01:20,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:01:20,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:01:20,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:01:20,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:01:20,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:01:20,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:01:20,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:01:20,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:01:20,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:01:20,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:01:20,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:01:20,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:01:20,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:01:20,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:01:20,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:01:20,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:01:20,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:01:20,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:01:20,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:01:20,358 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:01:20,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:01:20,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:01:20,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:01:20,360 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:01:20,361 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:01:20,361 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:01:20,361 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:01:20,361 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:01:20,362 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:01:20,363 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:01:20,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:01:20,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:01:20,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:01:20,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:01:20,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:01:20,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:01:20,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:01:20,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:01:20,365 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:01:20,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:01:20,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:01:20,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:01:20,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:01:20,366 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:01:20,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:01:20,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:01:20,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:01:20,367 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:01:20,369 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:01:20,370 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-11-30 01:01:20,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:01:20,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:01:20,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:01:20,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:01:20,645 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:01:20,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-30 01:01:20,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/data/590358244/b5630ec82afa4413a1a9d955b59fb76b/FLAG64fff470a [2020-11-30 01:01:21,159 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:01:21,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-30 01:01:21,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/data/590358244/b5630ec82afa4413a1a9d955b59fb76b/FLAG64fff470a [2020-11-30 01:01:21,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/data/590358244/b5630ec82afa4413a1a9d955b59fb76b [2020-11-30 01:01:21,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:01:21,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:01:21,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:21,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:01:21,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:01:21,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f87c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21, skipping insertion in model container [2020-11-30 01:01:21,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:01:21,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:01:21,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:21,811 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:01:21,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:21,836 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:01:21,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21 WrapperNode [2020-11-30 01:01:21,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:21,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:21,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:01:21,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:01:21,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:21,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:01:21,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:01:21,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:01:21,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... [2020-11-30 01:01:21,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:01:21,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:01:21,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:01:21,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:01:21,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:01:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:01:22,112 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:01:22,112 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:01:22,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:22 BoogieIcfgContainer [2020-11-30 01:01:22,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:01:22,114 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:01:22,114 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:01:22,121 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:01:22,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:01:22,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:01:21" (1/3) ... [2020-11-30 01:01:22,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@634b357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:01:22, skipping insertion in model container [2020-11-30 01:01:22,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:01:22,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:21" (2/3) ... [2020-11-30 01:01:22,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@634b357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:01:22, skipping insertion in model container [2020-11-30 01:01:22,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:01:22,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:22" (3/3) ... [2020-11-30 01:01:22,129 INFO L373 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-30 01:01:22,190 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:01:22,190 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:01:22,190 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:01:22,190 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:01:22,190 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:01:22,190 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:01:22,190 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:01:22,191 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:01:22,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 01:01:22,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:01:22,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:01:22,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:01:22,224 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:01:22,224 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:01:22,224 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:01:22,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 01:01:22,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:01:22,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:01:22,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:01:22,226 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:01:22,226 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:01:22,233 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2020-11-30 01:01:22,233 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-11-30 01:01:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:22,240 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-30 01:01:22,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:22,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010974647] [2020-11-30 01:01:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,342 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:22,344 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-30 01:01:22,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:22,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432470124] [2020-11-30 01:01:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,408 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:22,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:22,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-30 01:01:22,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:22,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940947406] [2020-11-30 01:01:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:22,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:22,455 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:22,685 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:01:22,686 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:01:22,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:01:22,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:01:22,687 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:01:22,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:22,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:01:22,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:01:22,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-30 01:01:22,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:01:22,688 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:01:22,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:22,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:22,858 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-11-30 01:01:22,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:23,006 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-11-30 01:01:23,274 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-11-30 01:01:23,285 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:01:23,286 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:23,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:01:23,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:01:23,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:01:23,306 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_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 [2020-11-30 01:01:23,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:01:23,341 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:23,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:01:23,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:01:23,479 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:01:23,480 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:01:23,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:01:23,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:01:23,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:01:23,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:01:23,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:23,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:01:23,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:01:23,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-30 01:01:23,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:01:23,482 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:01:23,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:23,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:23,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:23,714 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-30 01:01:23,923 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-30 01:01:23,931 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:01:23,935 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:23,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:23,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:23,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:23,947 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:23,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:23,996 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-11-30 01:01:23,996 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:01:24,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:24,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:01:24,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:01:24,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:24,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:01:24,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:01:24,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:24,190 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:24,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,200 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:24,200 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,256 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-30 01:01:24,257 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-30 01:01:24,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:24,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,371 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:24,372 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:24,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:24,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:24,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,442 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:24,442 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:24,443 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 [2020-11-30 01:01:24,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:24,482 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:24,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,506 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:24,506 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,596 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:24,596 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:24,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:24,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,736 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:24,737 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:24,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:24,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:24,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:24,783 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:24,784 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:24,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:24,821 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:24,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:24,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:24,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:24,832 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:24,833 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:24,939 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-30 01:01:24,939 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-30 01:01:25,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:25,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,077 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:25,082 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:25,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:25,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 [2020-11-30 01:01:25,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:25,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,150 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:25,151 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:25,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:25,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:25,188 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:25,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,213 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,213 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:25,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,213 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:25,213 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,272 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-30 01:01:25,272 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-30 01:01:25,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,372 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,372 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:25,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,372 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:25,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:25,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:25,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 [2020-11-30 01:01:25,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,406 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:25,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,407 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:25,408 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:25,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:25,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:25,435 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,442 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:25,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,442 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:25,442 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:25,504 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:25,504 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:25,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 [2020-11-30 01:01:25,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,632 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,632 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:25,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,632 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:25,633 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:25,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:25,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:25,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,691 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:25,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:25,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:25,691 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:25,692 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:25,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:25,735 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:25,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:25,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:25,744 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:25,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:25,744 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:25,744 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:25,858 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-30 01:01:25,859 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-30 01:01:26,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,168 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:26,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,168 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:26,170 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:26,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:26,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,200 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,201 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:26,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,201 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:26,213 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:26,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:26,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:26,253 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:26,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,267 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,268 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:26,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,268 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:26,268 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,342 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:26,342 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:26,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:26,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,478 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:26,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:26,479 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:26,479 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 [2020-11-30 01:01:26,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:26,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,520 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:26,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,521 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:26,522 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:26,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:26,560 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:26,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,567 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:26,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,567 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:26,568 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,655 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-11-30 01:01:26,655 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-11-30 01:01:26,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,910 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:26,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,911 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:01:26,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:01:26,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:26,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:01:26,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:26,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:26,965 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:26,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:26,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:26,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:26,965 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:01:26,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:01:26,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:26,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:27,004 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-30 01:01:27,005 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-11-30 01:01:27,005 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-11-30 01:01:27,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:27,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-11-30 01:01:27,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:27,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119656979] [2020-11-30 01:01:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:27,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:27,019 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-11-30 01:01:27,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:27,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855779649] [2020-11-30 01:01:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,043 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,045 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:27,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:27,045 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-11-30 01:01:27,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:27,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18789535] [2020-11-30 01:01:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:01:27,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:01:27,104 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:01:27,189 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:01:27,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:01:27,189 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:01:27,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:01:27,190 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:01:27,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:01:27,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:01:27,190 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-30 01:01:27,190 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:01:27,190 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:01:27,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,453 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-30 01:01:27,668 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-30 01:01:27,670 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:01:27,671 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:01:27,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:01:27,690 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:01:27,690 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_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:01:27,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:01:27,715 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:01:27,715 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_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:01:27,744 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:01:27,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:01:27,858 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:01:27,860 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:01:27,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:01:27,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:01:27,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:01:27,861 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:01:27,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:27,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:01:27,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:01:27,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-30 01:01:27,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:01:27,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:01:27,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:01:27,997 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-11-30 01:01:28,265 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-30 01:01:28,267 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:01:28,267 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:01:28,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:01:28,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:01:28,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:01:28,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,367 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:28,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,395 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-11-30 01:01:28,396 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:01:28,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:28,474 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:28,487 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:28,487 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 [2020-11-30 01:01:28,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:28,530 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:28,530 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 [2020-11-30 01:01:28,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,572 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:28,572 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,611 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-30 01:01:28,611 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-30 01:01:28,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:28,704 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,710 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:28,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:28,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,751 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:28,752 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:28,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:28,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,795 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:28,795 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,845 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:28,846 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:28,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:28,938 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,942 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:28,943 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:28,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:28,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:28,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:28,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:28,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:28,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:28,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:28,970 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:28,971 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:28,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:28,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:01:29,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,005 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:29,005 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:29,074 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-30 01:01:29,074 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-30 01:01:29,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:29,228 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,232 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,232 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:29,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,232 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:29,233 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:29,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,261 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,261 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:29,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:29,262 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:01:29,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,296 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:29,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,296 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:29,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:01:29,337 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-30 01:01:29,337 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-30 01:01:29,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:29,463 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,467 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:29,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,468 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:29,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:29,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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 [2020-11-30 01:01:29,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,527 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,527 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:29,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:29,528 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:29,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:29,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,575 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,575 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:01:29,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,575 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:29,575 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,632 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:29,633 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:29,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:29,845 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,849 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:29,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,850 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:29,851 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:29,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,879 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:29,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:29,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:29,879 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:29,881 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:01:29,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:29,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:29,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:29,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:29,928 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:29,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:29,928 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:29,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:01:29,989 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-30 01:01:29,989 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-30 01:01:30,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:30,125 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,132 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:30,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:30,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:30,132 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:30,133 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:30,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:30,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,163 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,163 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:30,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:30,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:30,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:30,164 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:01:30,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:01:30,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,191 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:01:30,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,191 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:30,191 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:01:30,270 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-30 01:01:30,270 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-30 01:01:30,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:30,423 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:30,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,430 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:30,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:30,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:30,430 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:01:30,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:01:30,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/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) [2020-11-30 01:01:30,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,480 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:30,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:01:30,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:01:30,480 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:01:30,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:01:30,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3de4c4e-20ae-4e5e-a78e-cf2b9e11e8ee/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:01:30,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:01:30,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:01:30,514 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:01:30,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:01:30,514 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-30 01:01:30,514 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:01:30,585 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-11-30 01:01:30,585 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-11-30 01:01:31,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:01:31,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:01:31 BoogieIcfgContainer [2020-11-30 01:01:31,102 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:01:31,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:01:31,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:01:31,103 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:01:31,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:22" (3/4) ... [2020-11-30 01:01:31,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:01:31,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:01:31,108 INFO L168 Benchmark]: Toolchain (without parser) took 9526.21 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 64.1 MB in the beginning and 38.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:31,108 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:31,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.64 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 72.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:31,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.32 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 70.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:31,110 INFO L168 Benchmark]: Boogie Preprocessor took 15.90 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.1 MB in the end (delta: 664.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:31,111 INFO L168 Benchmark]: RCFGBuilder took 224.00 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 62.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:31,111 INFO L168 Benchmark]: BuchiAutomizer took 8987.58 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 62.4 MB in the beginning and 38.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:31,112 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 138.4 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:31,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.64 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 72.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.32 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 70.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.90 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.1 MB in the end (delta: 664.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 224.00 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 62.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8987.58 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 62.4 MB in the beginning and 38.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.14 ms. Allocated memory is still 138.4 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf95 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp87 dnf299 smp50 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 568ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...