./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i --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_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 ca73807de0c8f7d87fbb77e097710eeb5024a6fe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:19:28,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:19:28,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:19:28,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:19:28,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:19:28,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:19:28,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:19:28,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:19:28,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:19:28,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:19:28,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:19:28,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:19:28,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:19:28,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:19:28,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:19:28,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:19:28,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:19:28,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:19:28,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:19:28,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:19:28,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:19:28,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:19:28,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:19:28,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:19:28,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:19:28,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:19:28,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:19:28,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:19:28,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:19:28,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:19:28,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:19:28,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:19:28,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:19:28,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:19:28,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:19:28,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:19:28,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:19:28,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:19:28,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:19:28,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:19:28,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:19:28,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 20:19:28,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:19:28,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:19:28,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:19:28,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:19:28,659 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:19:28,660 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:19:28,660 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:19:28,660 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:19:28,661 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:19:28,661 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:19:28,661 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:19:28,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:19:28,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:19:28,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:19:28,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:19:28,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:19:28,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:19:28,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:19:28,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:19:28,664 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:19:28,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:19:28,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:19:28,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:19:28,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:19:28,665 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:19:28,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:19:28,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:19:28,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:19:28,666 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:19:28,668 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:19:28,668 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_17ed7a07-b475-4c30-bd65-3c15ae331d29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca73807de0c8f7d87fbb77e097710eeb5024a6fe [2020-11-29 20:19:28,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:19:29,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:19:29,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:19:29,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:19:29,034 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:19:29,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2020-11-29 20:19:29,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/data/1607ed1bd/25eaa75ccf8146d9950f8d2390f28c7d/FLAG112c14ea7 [2020-11-29 20:19:29,799 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:19:29,800 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2020-11-29 20:19:29,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/data/1607ed1bd/25eaa75ccf8146d9950f8d2390f28c7d/FLAG112c14ea7 [2020-11-29 20:19:30,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/data/1607ed1bd/25eaa75ccf8146d9950f8d2390f28c7d [2020-11-29 20:19:30,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:19:30,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:19:30,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:30,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:19:30,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:19:30,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b22462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30, skipping insertion in model container [2020-11-29 20:19:30,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:19:30,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:19:30,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:30,578 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:19:30,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:30,722 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:19:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30 WrapperNode [2020-11-29 20:19:30,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:30,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:30,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:19:30,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:19:30,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:30,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:19:30,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:19:30,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:19:30,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... [2020-11-29 20:19:30,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:19:30,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:19:30,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:19:30,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:19:30,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:19:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:19:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:19:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:19:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:19:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:19:31,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:19:31,320 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 20:19:31,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:31 BoogieIcfgContainer [2020-11-29 20:19:31,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:19:31,323 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:19:31,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:19:31,327 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:19:31,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:19:31,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:19:30" (1/3) ... [2020-11-29 20:19:31,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@373d4ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:19:31, skipping insertion in model container [2020-11-29 20:19:31,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:19:31,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:30" (2/3) ... [2020-11-29 20:19:31,332 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@373d4ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:19:31, skipping insertion in model container [2020-11-29 20:19:31,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:19:31,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:31" (3/3) ... [2020-11-29 20:19:31,334 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcpy_diffterm_alloca.i [2020-11-29 20:19:31,415 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:19:31,419 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:19:31,419 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:19:31,420 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:19:31,420 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:19:31,420 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:19:31,420 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:19:31,421 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:19:31,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 20:19:31,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:19:31,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:19:31,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:19:31,503 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:19:31,504 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:19:31,504 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:19:31,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 20:19:31,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:19:31,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:19:31,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:19:31,509 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:19:31,509 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:19:31,517 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L368-3true [2020-11-29 20:19:31,519 INFO L796 eck$LassoCheckResult]: Loop: 6#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(49 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207; 6#L368-3true [2020-11-29 20:19:31,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:31,533 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-11-29 20:19:31,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:31,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982974545] [2020-11-29 20:19:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:31,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:31,768 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:31,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:19:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2020-11-29 20:19:31,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:31,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567279040] [2020-11-29 20:19:31,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:31,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:31,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:31,864 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:19:31,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:31,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2020-11-29 20:19:31,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:31,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626653078] [2020-11-29 20:19:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:31,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:32,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:32,019 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:19:32,233 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 20:19:33,028 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2020-11-29 20:19:33,250 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-29 20:19:33,264 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:19:33,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:19:33,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:19:33,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:19:33,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:19:33,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:33,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:19:33,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:19:33,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_diffterm_alloca.i_Iteration1_Lasso [2020-11-29 20:19:33,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:19:33,267 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:19:33,294 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 20:19:33,328 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 20:19:33,336 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 20:19:33,349 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 20:19:33,357 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 20:19:33,361 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 20:19:33,365 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 20:19:33,387 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 20:19:33,394 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 20:19:33,398 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 20:19:33,402 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 20:19:33,407 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 20:19:33,410 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 20:19:33,954 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-11-29 20:19:34,200 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-11-29 20:19:34,202 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 20:19:34,208 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 20:19:34,499 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 20:19:34,934 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 20:19:35,109 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:19:35,118 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:19:35,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,186 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 20:19:35,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,232 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 20:19:35,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:35,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,281 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 20:19:35,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,317 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 20:19:35,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,348 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 20:19:35,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:35,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:19:35,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:19:35,479 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 20:19:35,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:19:35,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,556 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 20:19:35,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,585 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 20:19:35,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,616 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 20:19:35,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:19:35,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:19:35,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:19:35,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,697 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 20:19:35,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:35,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,777 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:35,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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) [2020-11-29 20:19:35,851 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 20:19:35,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:35,909 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 20:19:35,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:35,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:35,953 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 20:19:35,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:19:35,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:19:35,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:19:35,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:19:35,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:19:35,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:19:36,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:19:36,285 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-11-29 20:19:36,286 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17ed7a07-b475-4c30-bd65-3c15ae331d29/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 20:19:36,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:19:36,296 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:19:36,297 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:19:36,298 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2020-11-29 20:19:36,404 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-11-29 20:19:36,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 20:19:36,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:36,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 20:19:36,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:19:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:36,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 20:19:36,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:19:36,592 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 20:19:36,609 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 20:19:36,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-11-29 20:19:36,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2020-11-29 20:19:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 20:19:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:19:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-11-29 20:19:36,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 20:19:36,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:19:36,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-29 20:19:36,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:19:36,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-29 20:19:36,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:19:36,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2020-11-29 20:19:36,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:19:36,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-11-29 20:19:36,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:19:36,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:19:36,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:19:36,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:19:36,701 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:19:36,701 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:19:36,701 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:19:36,701 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:19:36,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:19:36,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:19:36,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:19:36,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:19:36 BoogieIcfgContainer [2020-11-29 20:19:36,707 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:19:36,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:19:36,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:19:36,708 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:19:36,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:31" (3/4) ... [2020-11-29 20:19:36,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:19:36,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:19:36,714 INFO L168 Benchmark]: Toolchain (without parser) took 6693.15 ms. Allocated memory was 102.8 MB in the beginning and 155.2 MB in the end (delta: 52.4 MB). Free memory was 75.3 MB in the beginning and 77.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 49.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:36,714 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:19:36,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.86 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 62.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:36,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.64 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 60.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:19:36,716 INFO L168 Benchmark]: Boogie Preprocessor took 59.06 ms. Allocated memory is still 102.8 MB. Free memory was 60.6 MB in the beginning and 59.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:36,717 INFO L168 Benchmark]: RCFGBuilder took 468.35 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 59.2 MB in the beginning and 102.6 MB in the end (delta: -43.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:36,718 INFO L168 Benchmark]: BuchiAutomizer took 5384.57 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 102.6 MB in the beginning and 78.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:36,719 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 155.2 MB. Free memory was 78.0 MB in the beginning and 77.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:19:36,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.86 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 62.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.64 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 60.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.06 ms. Allocated memory is still 102.8 MB. Free memory was 60.6 MB in the beginning and 59.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 468.35 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 59.2 MB in the beginning and 102.6 MB in the end (delta: -43.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5384.57 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 102.6 MB in the beginning and 78.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 155.2 MB. Free memory was 78.0 MB in the beginning and 77.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...