./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_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:45,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:45,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:45,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:45,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:45,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:45,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:45,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:45,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:45,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:45,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:45,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:45,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:45,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:45,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:45,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:45,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:45,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:45,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:45,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:45,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:45,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:45,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:45,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:45,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:45,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:45,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:45,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:45,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:45,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:45,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:45,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:45,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:45,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:45,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:45,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:45,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:45,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:45,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:45,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:45,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:45,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:00:45,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:45,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:45,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:45,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:45,492 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:45,492 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:00:45,492 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:00:45,492 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:00:45,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:00:45,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:00:45,494 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:00:45,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:45,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:45,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:45,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:45,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:00:45,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:00:45,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:00:45,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:45,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:00:45,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:45,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:00:45,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:45,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:45,497 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:00:45,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:45,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:45,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:45,498 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:00:45,501 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:00:45,501 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_99e12984-9f23-4728-9186-1cf64be58b68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-11-28 03:00:45,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:45,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:45,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:45,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:45,885 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:45,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-28 03:00:45,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/data/75e0cebdf/1fd481f4213245788b5e83f8d0dd7ec2/FLAG5049d8c82 [2020-11-28 03:00:46,523 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:46,524 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-28 03:00:46,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/data/75e0cebdf/1fd481f4213245788b5e83f8d0dd7ec2/FLAG5049d8c82 [2020-11-28 03:00:46,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/data/75e0cebdf/1fd481f4213245788b5e83f8d0dd7ec2 [2020-11-28 03:00:46,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:46,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:46,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:46,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:46,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:46,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:46" (1/1) ... [2020-11-28 03:00:46,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ecafec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:46, skipping insertion in model container [2020-11-28 03:00:46,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:46" (1/1) ... [2020-11-28 03:00:46,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:46,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:47,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:47,110 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:47,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:47,145 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:47,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47 WrapperNode [2020-11-28 03:00:47,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:47,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:47,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:47,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:47,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:47,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:47,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:47,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:47,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:47,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:47,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:47,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:47,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:47,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:47,408 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:00:47,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:47 BoogieIcfgContainer [2020-11-28 03:00:47,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:47,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:00:47,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:00:47,415 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:00:47,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:47,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:00:46" (1/3) ... [2020-11-28 03:00:47,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@80dc386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:47, skipping insertion in model container [2020-11-28 03:00:47,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:47,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (2/3) ... [2020-11-28 03:00:47,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@80dc386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:47, skipping insertion in model container [2020-11-28 03:00:47,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:47,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:47" (3/3) ... [2020-11-28 03:00:47,420 INFO L373 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-11-28 03:00:47,477 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:00:47,477 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:00:47,477 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:00:47,477 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:47,477 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:47,477 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:00:47,478 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:47,478 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:00:47,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-28 03:00:47,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:00:47,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:47,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:47,515 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:00:47,515 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:00:47,515 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:00:47,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-28 03:00:47,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:00:47,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:47,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:47,517 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:00:47,517 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:00:47,523 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 [2020-11-28 03:00:47,524 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 [2020-11-28 03:00:47,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,530 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 03:00:47,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:47,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973192342] [2020-11-28 03:00:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,640 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:47,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,645 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-28 03:00:47,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:47,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021506775] [2020-11-28 03:00:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,717 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:47,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-28 03:00:47,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:47,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625438606] [2020-11-28 03:00:47,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:47,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:47,769 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:47,875 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-11-28 03:00:48,037 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-28 03:00:48,101 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:48,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:48,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:48,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:48,102 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:00:48,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:48,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:48,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:48,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-28 03:00:48,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:48,103 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:48,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:48,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:48,274 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-11-28 03:00:48,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:48,461 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-11-28 03:00:48,783 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-11-28 03:00:48,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:48,796 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:48,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:48,807 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:48,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:00:48,815 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_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:48,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:48,856 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:48,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:00:48,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:00:49,002 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:00:49,004 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:49,004 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:49,004 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:49,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:49,005 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:49,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:49,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:49,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:49,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-28 03:00:49,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:49,006 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:49,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,122 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-11-28 03:00:49,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,275 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-28 03:00:49,532 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-28 03:00:49,543 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:49,548 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:49,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:49,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:49,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:49,556 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:49,556 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 [2020-11-28 03:00:49,602 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-11-28 03:00:49,602 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 03:00:49,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:49,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:49,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:49,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:49,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:49,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:49,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:49,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:49,717 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 [2020-11-28 03:00:49,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:49,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:49,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:49,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:49,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:49,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:49,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:49,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:49,769 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 [2020-11-28 03:00:49,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:49,808 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:49,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:49,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:49,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:49,820 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:49,820 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 [2020-11-28 03:00:49,901 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-28 03:00:49,902 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-28 03:00:49,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:50,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,025 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:50,026 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:50,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:50,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:50,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,082 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:50,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:50,083 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 [2020-11-28 03:00:50,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:50,147 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:50,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,185 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:50,185 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 [2020-11-28 03:00:50,299 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:50,299 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:50,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:50,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,429 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:50,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:50,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:50,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:50,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:50,508 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:50,508 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 [2020-11-28 03:00:50,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:50,546 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:50,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,555 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:50,555 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:50,640 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-28 03:00:50,641 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-28 03:00:50,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:50,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,786 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:50,787 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:50,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:50,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:50,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:50,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:50,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:50,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:50,836 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:50,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:50,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:50,861 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:50,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:50,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:50,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:50,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:50,868 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:50,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:50,925 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-28 03:00:50,925 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-28 03:00:51,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:51,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,038 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:51,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,038 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:51,039 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:51,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:51,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,066 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:51,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,066 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:51,067 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:51,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:51,089 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:51,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,098 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:51,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,098 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:51,098 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:51,166 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:51,166 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:51,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:51,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,422 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:51,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:51,424 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:51,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:51,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,471 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:51,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,472 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:51,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:51,473 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 [2020-11-28 03:00:51,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:51,512 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:51,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,522 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,523 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:51,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,523 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:51,523 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 [2020-11-28 03:00:51,658 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-28 03:00:51,658 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-28 03:00:51,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:51,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:51,947 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:51,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,947 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:51,949 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:51,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:51,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,002 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:52,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:52,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,002 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:52,004 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:52,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:52,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:52,039 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:52,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,049 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:52,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,049 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:52,049 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:52,127 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:52,127 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:52,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:52,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,291 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:52,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:52,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:52,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:52,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:52,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:52,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,334 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,334 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:52,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:52,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:52,336 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:52,336 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 [2020-11-28 03:00:52,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:52,372 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:52,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,378 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:52,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,379 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:52,379 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 [2020-11-28 03:00:52,468 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-11-28 03:00:52,468 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-11-28 03:00:52,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:52,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:52,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:52,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,697 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:00:52,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:52,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:52,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:52,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:52,750 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:52,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:52,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,750 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:00:52,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:52,752 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 [2020-11-28 03:00:52,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:52,791 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-28 03:00:52,791 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 [2020-11-28 03:00:52,791 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 [2020-11-28 03:00:52,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-11-28 03:00:52,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:52,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375640138] [2020-11-28 03:00:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,799 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,805 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,806 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,807 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-11-28 03:00:52,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:52,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680437827] [2020-11-28 03:00:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,825 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:52,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,827 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-11-28 03:00:52,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:52,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525712981] [2020-11-28 03:00:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,878 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:53,052 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:53,052 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:53,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:53,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:53,053 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:00:53,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:53,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:53,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:53,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-28 03:00:53,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:53,053 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:53,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:53,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:53,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:53,408 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-28 03:00:53,661 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-28 03:00:53,663 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:53,663 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:53,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:53,669 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:53,673 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:00:53,674 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_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:53,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:53,716 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:53,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:00:53,720 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_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:53,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:53,759 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:53,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:00:53,802 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:53,884 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:00:53,886 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:53,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:53,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:53,886 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:53,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:53,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:53,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:53,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:53,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-11-28 03:00:53,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:53,910 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:53,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:53,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:53,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:54,161 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-28 03:00:54,401 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-28 03:00:54,403 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:54,403 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:54,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:54,416 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 [2020-11-28 03:00:54,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:54,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:54,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:54,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:54,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:54,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,468 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:54,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:54,509 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-11-28 03:00:54,510 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 03:00:54,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:54,586 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:54,592 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:54,592 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 [2020-11-28 03:00:54,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,636 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:54,637 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:54,637 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 [2020-11-28 03:00:54,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,676 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:54,676 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 [2020-11-28 03:00:54,724 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-28 03:00:54,724 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-28 03:00:54,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:54,840 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,845 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:54,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:54,846 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 [2020-11-28 03:00:54,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:54,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:54,890 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:54,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:54,891 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 [2020-11-28 03:00:54,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:54,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:54,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:54,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:54,936 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:54,936 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 [2020-11-28 03:00:54,997 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:54,997 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:55,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:55,110 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:55,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:55,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,116 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:55,116 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:55,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:55,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:55,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:55,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:55,159 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:55,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:55,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:55,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,190 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:55,190 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:55,266 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-28 03:00:55,266 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-28 03:00:55,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:55,408 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,411 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:55,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,412 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:55,413 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:55,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:55,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,460 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:55,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:55,461 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:00:55,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:55,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,488 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:55,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,489 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:55,489 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:00:55,530 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-11-28 03:00:55,531 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-11-28 03:00:55,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:55,657 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,684 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:55,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:55,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:55,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:55,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,712 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:55,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:55,713 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:55,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:55,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:55,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:55,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,740 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:00:55,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,740 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:55,740 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:55,800 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:55,800 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:55,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:55,980 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:55,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:55,987 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:55,987 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:55,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:55,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:55,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:55,987 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:55,988 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:55,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:55,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:56,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,018 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:56,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,018 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:00:56,020 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:00:56,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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) [2020-11-28 03:00:56,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,081 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:56,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,082 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:56,082 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,145 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-11-28 03:00:56,145 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-11-28 03:00:56,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:56,267 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:56,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,277 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:56,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:56,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:56,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:56,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,308 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,308 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:56,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,309 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:56,309 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:00:56,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:56,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,341 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:00:56,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,341 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:56,341 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:00:56,418 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-11-28 03:00:56,418 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-11-28 03:00:56,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:56,538 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,541 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,541 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:56,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,542 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:00:56,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,572 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:56,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,572 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:00:56,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99e12984-9f23-4728-9186-1cf64be58b68/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 [2020-11-28 03:00:56,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:00:56,614 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:00:56,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,614 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-11-28 03:00:56,614 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:00:56,700 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-11-28 03:00:56,701 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-11-28 03:00:57,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:00:57,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:00:57 BoogieIcfgContainer [2020-11-28 03:00:57,280 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:00:57,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:57,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:57,281 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:57,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:47" (3/4) ... [2020-11-28 03:00:57,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:00:57,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:57,288 INFO L168 Benchmark]: Toolchain (without parser) took 10383.29 ms. Allocated memory was 96.5 MB in the beginning and 182.5 MB in the end (delta: 86.0 MB). Free memory was 62.8 MB in the beginning and 119.1 MB in the end (delta: -56.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:57,289 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:57,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.09 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 75.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:57,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 96.5 MB. Free memory was 75.0 MB in the beginning and 73.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:57,295 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 73.0 MB in the end (delta: 866.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:57,295 INFO L168 Benchmark]: RCFGBuilder took 202.43 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 65.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:57,296 INFO L168 Benchmark]: BuchiAutomizer took 9869.20 ms. Allocated memory was 96.5 MB in the beginning and 182.5 MB in the end (delta: 86.0 MB). Free memory was 65.1 MB in the beginning and 119.1 MB in the end (delta: -54.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:57,296 INFO L168 Benchmark]: Witness Printer took 6.14 ms. Allocated memory is still 182.5 MB. Free memory is still 119.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:57,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.09 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 75.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 96.5 MB. Free memory was 75.0 MB in the beginning and 73.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.50 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 73.0 MB in the end (delta: 866.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 202.43 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 65.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9869.20 ms. Allocated memory was 96.5 MB in the beginning and 182.5 MB in the end (delta: 86.0 MB). Free memory was 65.1 MB in the beginning and 119.1 MB in the end (delta: -54.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.14 ms. Allocated memory is still 182.5 MB. Free memory is still 119.1 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 9.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.7s. 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: 645ms 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...