./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.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_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 d6678868f165c4dda1e615b0f5d66797a7e8aaae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:36:05,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:36:05,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:36:05,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:36:05,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:36:05,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:36:05,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:36:05,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:36:05,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:36:05,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:36:05,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:36:05,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:36:05,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:36:05,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:36:05,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:36:05,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:36:05,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:36:05,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:36:05,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:36:05,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:36:05,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:36:05,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:36:05,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:36:05,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:36:05,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:36:05,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:36:05,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:36:05,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:36:05,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:36:05,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:36:05,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:36:05,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:36:05,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:36:05,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:36:05,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:36:05,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:36:05,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:36:05,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:36:05,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:36:05,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:36:05,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:36:05,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:36:05,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:36:05,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:36:05,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:36:05,533 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:36:05,533 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:36:05,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:36:05,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:36:05,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:36:05,535 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:36:05,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:36:05,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:36:05,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:36:05,536 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:36:05,536 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:36:05,537 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_6d92950d-3951-4b6c-bd60-268ffbb45316/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 -> d6678868f165c4dda1e615b0f5d66797a7e8aaae [2019-12-07 18:36:05,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:36:05,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:36:05,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:36:05,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:36:05,649 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:36:05,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-12-07 18:36:05,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/data/0b794a207/7806c1e35e364c639210d373e41a9b14/FLAG94fb0f08f [2019-12-07 18:36:06,121 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:36:06,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-12-07 18:36:06,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/data/0b794a207/7806c1e35e364c639210d373e41a9b14/FLAG94fb0f08f [2019-12-07 18:36:06,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/data/0b794a207/7806c1e35e364c639210d373e41a9b14 [2019-12-07 18:36:06,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:36:06,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:36:06,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:36:06,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:36:06,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:36:06,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3543066f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06, skipping insertion in model container [2019-12-07 18:36:06,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:36:06,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:36:06,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:36:06,292 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:36:06,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:36:06,313 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:36:06,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06 WrapperNode [2019-12-07 18:36:06,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:36:06,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:36:06,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:36:06,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:36:06,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:36:06,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:36:06,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:36:06,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:36:06,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... [2019-12-07 18:36:06,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:36:06,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:36:06,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:36:06,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:36:06,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:36:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:36:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 18:36:06,394 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 18:36:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 18:36:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 18:36:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:36:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:36:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:36:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:36:06,525 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:36:06,525 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:36:06,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:36:06 BoogieIcfgContainer [2019-12-07 18:36:06,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:36:06,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:36:06,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:36:06,529 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:36:06,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:36:06,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:36:06" (1/3) ... [2019-12-07 18:36:06,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b79eb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:36:06, skipping insertion in model container [2019-12-07 18:36:06,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:36:06,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:36:06" (2/3) ... [2019-12-07 18:36:06,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b79eb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:36:06, skipping insertion in model container [2019-12-07 18:36:06,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:36:06,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:36:06" (3/3) ... [2019-12-07 18:36:06,532 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex7B.i [2019-12-07 18:36:06,559 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:36:06,560 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:36:06,560 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:36:06,560 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:36:06,560 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:36:06,560 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:36:06,560 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:36:06,560 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:36:06,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:36:06,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:36:06,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:36:06,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:36:06,593 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 18:36:06,593 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:36:06,593 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:36:06,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:36:06,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:36:06,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:36:06,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:36:06,595 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 18:36:06,595 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:36:06,601 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet8; 11#L43true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2019-12-07 18:36:06,602 INFO L796 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 17#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset; 5#L31true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 13#fENTRYtrue [2019-12-07 18:36:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:36:06,606 INFO L82 PathProgramCache]: Analyzing trace with hash 39794, now seen corresponding path program 1 times [2019-12-07 18:36:06,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:36:06,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906087505] [2019-12-07 18:36:06,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:36:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:36:06,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:36:06,713 INFO L82 PathProgramCache]: Analyzing trace with hash 28764888, now seen corresponding path program 1 times [2019-12-07 18:36:06,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:36:06,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624001635] [2019-12-07 18:36:06,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:36:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:36:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:36:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1102237191, now seen corresponding path program 1 times [2019-12-07 18:36:06,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:36:06,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907165321] [2019-12-07 18:36:06,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:36:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:36:06,827 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:36:07,115 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-12-07 18:36:07,477 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-12-07 18:36:07,673 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:36:07,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:36:07,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:36:07,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:36:07,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:36:07,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:07,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:36:07,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:36:07,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex7B.i_Iteration1_Lasso [2019-12-07 18:36:07,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:36:07,674 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:36:07,690 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 18:36:07,696 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 18:36:07,697 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 18:36:07,699 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 18:36:07,701 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 18:36:07,702 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 18:36:07,704 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 18:36:07,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:36:07,706 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 18:36:07,708 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 18:36:07,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:36:07,711 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 18:36:07,712 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 18:36:07,715 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 18:36:07,716 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 18:36:07,717 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 18:36:07,719 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 18:36:07,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:36:07,722 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 18:36:07,724 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 18:36:07,726 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 18:36:07,727 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 18:36:07,728 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 18:36:07,730 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 18:36:07,732 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 18:36:07,734 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 18:36:07,736 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 18:36:07,737 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 18:36:07,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:36:07,740 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 18:36:07,741 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 18:36:07,895 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 18:36:07,897 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 18:36:07,898 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 18:36:07,899 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 18:36:07,900 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 18:36:08,194 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:36:08,198 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:36:08,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:36:08,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:36:08,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:36:08,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/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 18:36:08,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:08,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:08,413 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 [2019-12-07 18:36:08,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:08,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:36:08,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:36:08,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:36:08,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:36:08,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:08,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 18:36:08,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:36:08,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:36:08,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:36:08,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:36:08,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:36:08,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:36:08,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:36:08,473 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 18:36:08,474 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d92950d-3951-4b6c-bd60-268ffbb45316/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:36:08,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:36:08,485 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:36:08,485 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:36:08,486 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 2*v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1 + 2*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 + 1 Supporting invariants [-1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 1*v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1 >= 0] [2019-12-07 18:36:08,501 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:36:08,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:36:08,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:36:08,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:36:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:36:08,571 INFO L264 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:36:08,574 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:36:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:36:08,601 INFO L264 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 53 conjunts are in the unsatisfiable core [2019-12-07 18:36:08,602 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:36:08,625 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2019-12-07 18:36:08,626 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:36:08,634 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:36:08,634 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:36:08,634 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:38 [2019-12-07 18:36:08,674 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:36:08,675 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-12-07 18:36:08,675 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:36:08,684 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:36:08,706 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:36:08,706 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 77 [2019-12-07 18:36:08,707 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:36:08,738 INFO L614 ElimStorePlain]: treesize reduction 42, result has 58.8 percent of original size [2019-12-07 18:36:08,739 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:36:08,739 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:39 [2019-12-07 18:36:08,815 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 18:36:08,826 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-12-07 18:36:08,827 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 6 states. [2019-12-07 18:36:21,859 WARN L192 SmtUtils]: Spent 12.88 s on a formula simplification that was a NOOP. DAG size: 48 [2019-12-07 18:36:21,881 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 6 states. Result 32 states and 36 transitions. Complement of second has 20 states. [2019-12-07 18:36:21,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2019-12-07 18:36:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 18:36:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-12-07 18:36:21,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 5 letters. [2019-12-07 18:36:21,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:36:21,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2019-12-07 18:36:21,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:36:21,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 10 letters. [2019-12-07 18:36:21,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:36:21,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2019-12-07 18:36:21,888 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:36:21,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:36:21,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:36:21,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:36:21,891 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:36:21,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:36:21,891 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:36:21,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:36:21,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:36:21 BoogieIcfgContainer [2019-12-07 18:36:21,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:36:21,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:36:21,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:36:21,896 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:36:21,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:36:06" (3/4) ... [2019-12-07 18:36:21,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:36:21,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:36:21,899 INFO L168 Benchmark]: Toolchain (without parser) took 15763.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,899 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:36:21,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.86 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,901 INFO L168 Benchmark]: Boogie Preprocessor took 13.29 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,901 INFO L168 Benchmark]: RCFGBuilder took 176.13 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,901 INFO L168 Benchmark]: BuchiAutomizer took 15368.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:36:21,902 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:36:21,904 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 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.86 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.29 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.13 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15368.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 2 * \old(unknown-#memory_int-unknown)[p][p] + 2 * unknown-#memory_int-unknown[q][q] + 1 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 13.3s. 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: 6 SDtfs, 5 SDslu, 5 SDs, 0 SdLazy, 41 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax100 hnf100 lsp97 ukn72 mio100 lsp24 div100 bol100 ite100 ukn100 eq186 hnf88 smp100 dnf167 smp79 tf100 neg87 sie147 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...