./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/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 d1c4ea55860674914dba0e8885fa51dcb453dccf .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:23:26,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:23:26,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:23:26,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:23:26,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:23:26,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:23:26,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:23:26,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:23:26,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:23:26,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:23:26,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:23:26,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:23:26,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:23:26,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:23:26,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:23:26,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:23:26,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:23:26,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:23:26,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:23:26,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:23:26,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:23:26,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:23:26,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:23:26,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:23:26,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:23:26,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:23:26,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:23:26,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:23:26,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:23:26,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:23:26,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:23:26,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:23:26,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:23:26,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:23:26,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:23:26,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:23:26,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:23:26,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:23:26,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:23:26,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:23:26,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:23:26,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:23:26,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:23:26,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:23:26,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:23:26,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:23:26,421 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:23:26,421 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:23:26,421 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:23:26,421 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:23:26,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:23:26,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:23:26,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:23:26,423 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:23:26,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:23:26,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:23:26,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:23:26,424 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:23:26,424 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:23:26,424 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/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 -> d1c4ea55860674914dba0e8885fa51dcb453dccf [2019-12-07 18:23:26,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:23:26,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:23:26,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:23:26,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:23:26,542 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:23:26,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-2.i [2019-12-07 18:23:26,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/data/91c43bcc6/5be7adf2d73b4a5cbfb562503984bd22/FLAGe12c87891 [2019-12-07 18:23:26,965 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:23:26,966 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg-alloca-2.i [2019-12-07 18:23:26,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/data/91c43bcc6/5be7adf2d73b4a5cbfb562503984bd22/FLAGe12c87891 [2019-12-07 18:23:26,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/data/91c43bcc6/5be7adf2d73b4a5cbfb562503984bd22 [2019-12-07 18:23:26,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:23:26,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:23:26,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:23:26,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:23:26,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:23:26,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:23:26" (1/1) ... [2019-12-07 18:23:26,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bebc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:26, skipping insertion in model container [2019-12-07 18:23:26,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:23:26" (1/1) ... [2019-12-07 18:23:26,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:23:27,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:23:27,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:23:27,228 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:23:27,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:23:27,288 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:23:27,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27 WrapperNode [2019-12-07 18:23:27,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:23:27,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:23:27,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:23:27,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:23:27,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:23:27,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:23:27,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:23:27,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:23:27,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... [2019-12-07 18:23:27,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:23:27,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:23:27,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:23:27,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:23:27,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:23:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:23:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:23:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2019-12-07 18:23:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2019-12-07 18:23:27,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:23:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:23:27,519 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:23:27,519 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 18:23:27,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:23:27 BoogieIcfgContainer [2019-12-07 18:23:27,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:23:27,520 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:23:27,520 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:23:27,522 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:23:27,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:23:27,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:23:26" (1/3) ... [2019-12-07 18:23:27,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7307c80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:23:27, skipping insertion in model container [2019-12-07 18:23:27,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:23:27,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:23:27" (2/3) ... [2019-12-07 18:23:27,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7307c80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:23:27, skipping insertion in model container [2019-12-07 18:23:27,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:23:27,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:23:27" (3/3) ... [2019-12-07 18:23:27,525 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg-alloca-2.i [2019-12-07 18:23:27,553 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:23:27,553 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:23:27,553 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:23:27,553 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:23:27,553 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:23:27,553 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:23:27,554 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:23:27,554 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:23:27,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:23:27,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:23:27,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:23:27,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:23:27,584 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:23:27,584 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:23:27,584 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:23:27,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:23:27,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:23:27,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:23:27,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:23:27,585 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:23:27,586 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:23:27,590 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 16#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 12#new_lsegENTRYtrue [2019-12-07 18:23:27,591 INFO L796 eck$LassoCheckResult]: Loop: 12#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 9#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 13#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 12#new_lsegENTRYtrue [2019-12-07 18:23:27,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:23:27,595 INFO L82 PathProgramCache]: Analyzing trace with hash 925683, now seen corresponding path program 1 times [2019-12-07 18:23:27,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:23:27,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010414704] [2019-12-07 18:23:27,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:23:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,697 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:23:27,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:23:27,698 INFO L82 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2019-12-07 18:23:27,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:23:27,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593684461] [2019-12-07 18:23:27,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:23:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:23:27,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:23:27,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1807233506, now seen corresponding path program 1 times [2019-12-07 18:23:27,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:23:27,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897009877] [2019-12-07 18:23:27,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:23:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:23:27,766 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:23:27,905 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-12-07 18:23:28,239 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-12-07 18:23:28,452 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:23:28,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:23:28,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:23:28,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:23:28,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:23:28,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:23:28,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:23:28,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg-alloca-2.i_Iteration1_Lasso [2019-12-07 18:23:28,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:23:28,453 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:23:28,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:23:28,811 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:23:28,814 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:23:28,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:23:28,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,934 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 [2019-12-07 18:23:28,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:23:28,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:23:28,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:23:28,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:28,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:23:28,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:23:28,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:28,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:28,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:28,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:28,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:28,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:29,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:23:29,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:23:29,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:29,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:29,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:29,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:29,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:29,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:29,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:23:29,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:23:29,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:29,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:29,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:29,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:29,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:23:29,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:29,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:23:29,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:23:29,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:29,036 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 [2019-12-07 18:23:29,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:29,037 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:23:29,037 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:23:29,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:29,045 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 18:23:29,045 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:23:29,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:29,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:23:29,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:23:29,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:23:29,063 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:23:29,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:23:29,071 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 18:23:29,071 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:23:29,090 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:23:29,109 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 18:23:29,109 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfb6cbe5-adf4-4f1a-8ec4-54369da906a7/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:23:29,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:23:29,126 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 18:23:29,127 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:23:29,127 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2019-12-07 18:23:29,136 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 18:23:29,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:23:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:23:29,180 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:23:29,181 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:23:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:23:29,215 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:23:29,216 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:23:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:23:29,247 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 18:23:29,247 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2019-12-07 18:23:29,341 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 33 states and 37 transitions. Complement of second has 13 states. [2019-12-07 18:23:29,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:23:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 18:23:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 18:23:29,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 18:23:29,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:23:29,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 18:23:29,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:23:29,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 18:23:29,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:23:29,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2019-12-07 18:23:29,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:23:29,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-12-07 18:23:29,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:23:29,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:23:29,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:23:29,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:23:29,354 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:23:29,354 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:23:29,354 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:23:29,355 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:23:29,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:23:29,355 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:23:29,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:23:29,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:23:29 BoogieIcfgContainer [2019-12-07 18:23:29,360 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:23:29,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:23:29,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:23:29,361 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:23:29,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:23:27" (3/4) ... [2019-12-07 18:23:29,364 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:23:29,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:23:29,366 INFO L168 Benchmark]: Toolchain (without parser) took 2380.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 949.0 MB in the beginning and 897.5 MB in the end (delta: 51.5 MB). Peak memory consumption was 141.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:23:29,366 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:23:29,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:23:29,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:23:29,368 INFO L168 Benchmark]: Boogie Preprocessor took 16.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:23:29,369 INFO L168 Benchmark]: RCFGBuilder took 185.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:23:29,369 INFO L168 Benchmark]: BuchiAutomizer took 1840.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 897.5 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:23:29,369 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 1.1 GB. Free memory is still 897.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:23:29,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1840.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 897.5 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.73 ms. Allocated memory is still 1.1 GB. Free memory is still 897.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 7 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax100 hnf100 lsp94 ukn46 mio100 lsp30 div100 bol100 ite100 ukn100 eq196 hnf92 smp100 dnf136 smp100 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...