./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 ddb977b9fea860f52c9087edc999243e3a2c7a92 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:48:20,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:48:20,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:48:20,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:48:20,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:48:20,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:48:20,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:48:20,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:48:20,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:48:20,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:48:20,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:48:20,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:48:20,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:48:20,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:48:20,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:48:20,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:48:20,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:48:20,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:48:20,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:48:20,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:48:20,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:48:20,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:48:20,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:48:20,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:48:20,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:48:20,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:48:20,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:48:20,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:48:20,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:48:20,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:48:20,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:48:20,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:48:20,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:48:20,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:48:20,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:48:20,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:48:20,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:48:20,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:48:20,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:48:20,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:48:20,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:48:20,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 19:48:20,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:48:20,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:48:20,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:48:20,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:48:20,570 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:48:20,570 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:48:20,571 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:48:20,571 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:48:20,571 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:48:20,571 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:48:20,572 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:48:20,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:48:20,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:48:20,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:48:20,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:48:20,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:48:20,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:48:20,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:48:20,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:48:20,574 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:48:20,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:48:20,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:48:20,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:48:20,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:48:20,575 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:48:20,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:48:20,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:48:20,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:48:20,576 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:48:20,577 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:48:20,578 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb977b9fea860f52c9087edc999243e3a2c7a92 [2020-11-29 19:48:20,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:48:20,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:48:20,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:48:20,914 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:48:20,914 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:48:20,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2020-11-29 19:48:21,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/data/3c1dbfd74/6884e9bb9aa64f68a88e89335d0f3e01/FLAG680f4199c [2020-11-29 19:48:21,398 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:48:21,399 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2020-11-29 19:48:21,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/data/3c1dbfd74/6884e9bb9aa64f68a88e89335d0f3e01/FLAG680f4199c [2020-11-29 19:48:21,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/data/3c1dbfd74/6884e9bb9aa64f68a88e89335d0f3e01 [2020-11-29 19:48:21,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:48:21,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:48:21,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:48:21,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:48:21,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:48:21,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:48:21" (1/1) ... [2020-11-29 19:48:21,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cffad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:21, skipping insertion in model container [2020-11-29 19:48:21,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:48:21" (1/1) ... [2020-11-29 19:48:21,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:48:21,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:48:21,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:48:21,975 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:48:21,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:48:21,999 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:48:22,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22 WrapperNode [2020-11-29 19:48:22,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:48:22,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:48:22,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:48:22,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:48:22,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:48:22,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:48:22,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:48:22,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:48:22,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... [2020-11-29 19:48:22,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:48:22,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:48:22,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:48:22,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:48:22,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:48:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:48:22,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:48:22,268 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 19:48:22,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:22 BoogieIcfgContainer [2020-11-29 19:48:22,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:48:22,271 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:48:22,271 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:48:22,275 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:48:22,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:22,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:48:21" (1/3) ... [2020-11-29 19:48:22,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e91a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:48:22, skipping insertion in model container [2020-11-29 19:48:22,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:22,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:22" (2/3) ... [2020-11-29 19:48:22,278 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e91a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:48:22, skipping insertion in model container [2020-11-29 19:48:22,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:22,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:22" (3/3) ... [2020-11-29 19:48:22,280 INFO L373 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2020-11-29 19:48:22,335 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:48:22,336 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:48:22,336 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:48:22,336 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:48:22,336 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:48:22,336 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:48:22,337 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:48:22,337 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:48:22,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-29 19:48:22,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:22,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:22,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:22,377 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-29 19:48:22,377 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:48:22,377 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:48:22,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-29 19:48:22,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:22,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:22,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:22,379 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-29 19:48:22,379 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:48:22,388 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L14-2true [2020-11-29 19:48:22,388 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 9#L14true assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 5#L14-2true [2020-11-29 19:48:22,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-29 19:48:22,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:22,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068446727] [2020-11-29 19:48:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,498 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,520 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:22,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2020-11-29 19:48:22,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:22,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301853109] [2020-11-29 19:48:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:22,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2020-11-29 19:48:22,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:22,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145592631] [2020-11-29 19:48:22,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:22,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:22,575 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:22,682 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 19:48:22,818 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:22,819 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:22,820 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:22,820 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:22,820 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:48:22,820 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:22,820 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:22,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:22,821 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2020-11-29 19:48:22,821 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:22,821 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:22,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:22,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:22,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:22,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:22,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:23,154 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:23,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:23,168 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,185 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:23,185 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:23,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:23,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:23,230 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:23,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:23,262 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:23,262 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=41} Honda state: {ULTIMATE.start_main_#t~nondet2=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:23,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:23,305 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:23,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:48:23,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:23,376 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:48:23,379 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:23,379 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:23,379 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:23,379 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:23,379 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:48:23,380 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,380 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:23,380 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:23,380 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2020-11-29 19:48:23,380 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:23,380 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:23,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:23,574 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:23,580 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:23,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:23,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:23,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:23,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:23,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:23,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:48:23,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:23,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:23,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:23,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:23,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:23,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:48:23,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:48:23,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:23,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:23,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:23,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:23,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:23,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:23,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:23,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:23,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:23,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:23,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:23,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:23,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:23,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:23,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:23,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:23,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:23,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:23,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:48:23,759 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-11-29 19:48:23,759 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:23,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 19:48:23,762 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 19:48:23,762 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:48:23,763 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-11-29 19:48:23,795 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 19:48:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:23,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:23,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:23,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:23,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:23,947 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:48:23,948 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2020-11-29 19:48:24,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2020-11-29 19:48:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 19:48:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-29 19:48:24,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2020-11-29 19:48:24,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:24,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-29 19:48:24,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:24,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2020-11-29 19:48:24,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:24,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2020-11-29 19:48:24,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:24,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2020-11-29 19:48:24,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-29 19:48:24,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-11-29 19:48:24,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-11-29 19:48:24,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 19:48:24,023 INFO L691 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-11-29 19:48:24,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-11-29 19:48:24,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-11-29 19:48:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 19:48:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-11-29 19:48:24,041 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-29 19:48:24,041 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-29 19:48:24,042 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:48:24,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-11-29 19:48:24,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:24,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:24,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:24,043 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 19:48:24,043 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:48:24,043 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 72#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2020-11-29 19:48:24,043 INFO L796 eck$LassoCheckResult]: Loop: 74#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 73#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2020-11-29 19:48:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-29 19:48:24,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:24,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278277950] [2020-11-29 19:48:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,055 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:24,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:24,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2020-11-29 19:48:24,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:24,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427853439] [2020-11-29 19:48:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,063 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,068 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:24,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:24,069 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2020-11-29 19:48:24,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:24,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585721430] [2020-11-29 19:48:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:24,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:24,082 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:24,122 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:24,122 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:24,122 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:24,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:24,122 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:48:24,123 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:24,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:24,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2020-11-29 19:48:24,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:24,123 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:24,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,223 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:24,223 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:24,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:24,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:24,268 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:24,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:24,311 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:24,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Honda state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:24,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:24,369 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:24,376 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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) [2020-11-29 19:48:24,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:24,422 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:48:24,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:24,467 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:48:24,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:24,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:48:24,572 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:24,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:24,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:24,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:24,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:48:24,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:24,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:24,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2020-11-29 19:48:24,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:24,572 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:24,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:24,754 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:24,754 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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) [2020-11-29 19:48:24,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:24,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:24,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:24,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:24,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:24,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:48:24,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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) [2020-11-29 19:48:24,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:24,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:24,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:24,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:24,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:24,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:24,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:24,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:24,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:24,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:24,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:24,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:24,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:24,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:24,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:48:24,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:24,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:24,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:24,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:24,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:24,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:24,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:24,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:24,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:24,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:24,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:24,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:24,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:24,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:24,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:24,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:24,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:24,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:24,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:48:25,037 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 19:48:25,038 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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 [2020-11-29 19:48:25,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 19:48:25,040 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 19:48:25,040 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:48:25,040 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-11-29 19:48:25,063 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 19:48:25,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:25,187 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:48:25,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-11-29 19:48:25,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 19 transitions. Complement of second has 5 states. [2020-11-29 19:48:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:48:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-29 19:48:25,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-29 19:48:25,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:25,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 19:48:25,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:25,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-29 19:48:25,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:25,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2020-11-29 19:48:25,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:25,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 12 transitions. [2020-11-29 19:48:25,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-29 19:48:25,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-11-29 19:48:25,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2020-11-29 19:48:25,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 19:48:25,224 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2020-11-29 19:48:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2020-11-29 19:48:25,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2020-11-29 19:48:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 19:48:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2020-11-29 19:48:25,225 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-11-29 19:48:25,225 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-11-29 19:48:25,225 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 19:48:25,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2020-11-29 19:48:25,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:48:25,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:25,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:25,227 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2020-11-29 19:48:25,227 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:48:25,227 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 126#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 127#L14 assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 131#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2020-11-29 19:48:25,227 INFO L796 eck$LassoCheckResult]: Loop: 129#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 130#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2020-11-29 19:48:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,228 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2020-11-29 19:48:25,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:25,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626797510] [2020-11-29 19:48:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,243 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2020-11-29 19:48:25,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:25,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613216401] [2020-11-29 19:48:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,285 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:25,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,286 INFO L82 PathProgramCache]: Analyzing trace with hash 925765410, now seen corresponding path program 1 times [2020-11-29 19:48:25,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:25,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736870943] [2020-11-29 19:48:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:25,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:25,315 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:25,349 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:25,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:25,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:25,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:25,350 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:48:25,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:25,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:25,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:25,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2020-11-29 19:48:25,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:25,351 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:25,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,486 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:25,486 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/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) [2020-11-29 19:48:25,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:25,493 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:25,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:48:25,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:25,654 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:48:25,655 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:25,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:25,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:25,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:25,655 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:48:25,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:25,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:25,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:25,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2020-11-29 19:48:25,656 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:25,656 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:25,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:25,773 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:25,773 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:25,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:25,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:25,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:25,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:25,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:25,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:25,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:25,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:25,793 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:48:25,798 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 19:48:25,798 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd992a47-62e6-499c-ac82-e41be2524a55/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:25,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 19:48:25,802 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 19:48:25,802 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:48:25,802 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:25,841 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 19:48:25,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:25,899 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:48:25,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-29 19:48:25,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2020-11-29 19:48:25,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:48:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-29 19:48:25,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 19:48:25,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:25,927 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 19:48:25,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:25,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:25,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:25,999 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:48:25,999 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-29 19:48:26,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2020-11-29 19:48:26,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:48:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-29 19:48:26,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 19:48:26,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:26,025 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 19:48:26,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:26,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:26,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:26,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:26,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:26,084 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:48:26,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-29 19:48:26,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 4 states. [2020-11-29 19:48:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:48:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-29 19:48:26,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 19:48:26,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:26,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-29 19:48:26,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:26,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-29 19:48:26,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:26,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2020-11-29 19:48:26,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:48:26,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:48:26,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:48:26,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:26,118 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 19:48:26,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:48:26,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:48:26,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 19:48:26,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:48:26 BoogieIcfgContainer [2020-11-29 19:48:26,125 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:48:26,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:48:26,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:48:26,126 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:48:26,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:22" (3/4) ... [2020-11-29 19:48:26,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:48:26,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:48:26,132 INFO L168 Benchmark]: Toolchain (without parser) took 4325.11 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 56.7 MB in the beginning and 42.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:26,133 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:48:26,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.22 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 66.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:26,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:26,135 INFO L168 Benchmark]: Boogie Preprocessor took 14.39 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 64.8 MB in the end (delta: 740.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:48:26,136 INFO L168 Benchmark]: RCFGBuilder took 207.14 ms. Allocated memory is still 88.1 MB. Free memory was 64.8 MB in the beginning and 56.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:26,136 INFO L168 Benchmark]: BuchiAutomizer took 3853.87 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 42.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:26,137 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:48:26,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 192.22 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 66.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.39 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 64.8 MB in the end (delta: 740.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 207.14 ms. Allocated memory is still 88.1 MB. Free memory was 64.8 MB in the beginning and 56.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3853.87 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 42.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf97 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...