./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-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_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:22:40,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:22:40,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:22:40,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:22:40,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:22:40,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:22:40,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:22:40,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:22:40,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:22:40,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:22:40,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:22:40,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:22:40,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:22:40,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:22:41,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:22:41,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:22:41,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:22:41,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:22:41,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:22:41,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:22:41,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:22:41,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:22:41,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:22:41,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:22:41,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:22:41,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:22:41,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:22:41,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:22:41,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:22:41,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:22:41,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:22:41,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:22:41,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:22:41,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:22:41,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:22:41,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:22:41,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:22:41,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:22:41,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:22:41,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:22:41,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:22:41,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:22:41,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:22:41,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:22:41,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:22:41,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:22:41,137 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:22:41,138 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:22:41,138 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:22:41,138 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:22:41,138 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:22:41,139 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:22:41,140 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:22:41,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:22:41,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:22:41,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:22:41,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:22:41,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:22:41,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:22:41,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:22:41,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:22:41,143 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:22:41,143 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:22:41,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:22:41,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:22:41,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:22:41,145 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:22:41,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:22:41,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:22:41,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:22:41,146 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:22:41,149 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:22:41,149 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_930ef30f-680f-4584-b71d-3fa2584a6489/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 [2020-11-30 01:22:41,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:22:41,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:22:41,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:22:41,571 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:22:41,577 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:22:41,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-30 01:22:41,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/data/915e9f02b/1c080e6c8cdf4069a01505aa1d7e43c7/FLAGf6bd7bc6b [2020-11-30 01:22:42,353 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:22:42,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-30 01:22:42,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/data/915e9f02b/1c080e6c8cdf4069a01505aa1d7e43c7/FLAGf6bd7bc6b [2020-11-30 01:22:42,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/data/915e9f02b/1c080e6c8cdf4069a01505aa1d7e43c7 [2020-11-30 01:22:42,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:22:42,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:22:42,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:22:42,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:22:42,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:22:42,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:22:42" (1/1) ... [2020-11-30 01:22:42,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d9bdbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:42, skipping insertion in model container [2020-11-30 01:22:42,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:22:42" (1/1) ... [2020-11-30 01:22:42,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:22:42,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:22:43,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:22:43,148 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:22:43,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:22:43,300 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:22:43,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43 WrapperNode [2020-11-30 01:22:43,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:22:43,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:22:43,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:22:43,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:22:43,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:22:43,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:22:43,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:22:43,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:22:43,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... [2020-11-30 01:22:43,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:22:43,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:22:43,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:22:43,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:22:43,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:22:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:22:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:22:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:22:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:22:43,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:22:43,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:22:43,982 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:22:43,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:22:43 BoogieIcfgContainer [2020-11-30 01:22:43,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:22:43,985 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:22:43,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:22:44,000 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:22:44,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:22:44,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:22:42" (1/3) ... [2020-11-30 01:22:44,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b9b6f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:22:44, skipping insertion in model container [2020-11-30 01:22:44,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:22:44,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:22:43" (2/3) ... [2020-11-30 01:22:44,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b9b6f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:22:44, skipping insertion in model container [2020-11-30 01:22:44,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:22:44,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:22:43" (3/3) ... [2020-11-30 01:22:44,017 INFO L373 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-30 01:22:44,087 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:22:44,088 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:22:44,088 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:22:44,088 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:22:44,088 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:22:44,089 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:22:44,089 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:22:44,089 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:22:44,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-30 01:22:44,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:22:44,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:22:44,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:22:44,140 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 01:22:44,141 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:22:44,141 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:22:44,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-30 01:22:44,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:22:44,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:22:44,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:22:44,144 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 01:22:44,145 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:22:44,154 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 5#L556true assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 7#L556-2true assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 6#L559-3true [2020-11-30 01:22:44,155 INFO L796 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 3#L559-1true assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post14;havoc subxy_#t~mem13; 6#L559-3true [2020-11-30 01:22:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2020-11-30 01:22:44,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:44,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169220189] [2020-11-30 01:22:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,478 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,625 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:44,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:44,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2020-11-30 01:22:44,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:44,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896960607] [2020-11-30 01:22:44,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,683 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:44,696 INFO L82 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2020-11-30 01:22:44,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:44,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398326832] [2020-11-30 01:22:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:44,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:44,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:46,469 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 152 DAG size of output: 120 [2020-11-30 01:22:46,842 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-30 01:22:46,873 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:22:46,873 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:22:46,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:22:46,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:22:46,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:22:46,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:46,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:22:46,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:22:46,874 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2020-11-30 01:22:46,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:22:46,875 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:22:46,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:46,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:47,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:47,806 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2020-11-30 01:22:48,013 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-30 01:22:48,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:48,601 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-30 01:22:49,103 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:22:49,109 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:49,132 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 [2020-11-30 01:22:49,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,176 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 [2020-11-30 01:22:49,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,230 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 [2020-11-30 01:22:49,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,265 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 [2020-11-30 01:22:49,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,302 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 [2020-11-30 01:22:49,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,334 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 [2020-11-30 01:22:49,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,367 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 [2020-11-30 01:22:49,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,399 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 [2020-11-30 01:22:49,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,431 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 [2020-11-30 01:22:49,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,481 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 [2020-11-30 01:22:49,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,554 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 [2020-11-30 01:22:49,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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) [2020-11-30 01:22:49,613 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:49,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,689 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 [2020-11-30 01:22:49,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:49,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:49,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:49,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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) [2020-11-30 01:22:49,745 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 [2020-11-30 01:22:49,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:22:49,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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) [2020-11-30 01:22:49,882 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 [2020-11-30 01:22:49,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:49,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:49,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:22:49,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:49,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:49,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:49,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:49,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:49,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:49,984 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:22:50,128 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-30 01:22:50,129 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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) [2020-11-30 01:22:50,176 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 [2020-11-30 01:22:50,183 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:22:50,183 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:22:50,184 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1 Supporting invariants [] [2020-11-30 01:22:50,419 INFO L297 tatePredicateManager]: 30 out of 32 supporting invariants were superfluous and have been removed [2020-11-30 01:22:50,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:22:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:50,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:22:50,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:50,645 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-11-30 01:22:50,655 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:22:50,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:22:50,674 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:22:50,675 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-11-30 01:22:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:50,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:22:50,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:50,755 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 01:22:50,757 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-11-30 01:22:50,924 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 32 states and 41 transitions. Complement of second has 9 states. [2020-11-30 01:22:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 01:22:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:22:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-11-30 01:22:50,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-30 01:22:50,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:50,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-30 01:22:50,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:50,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-30 01:22:50,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:50,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-11-30 01:22:50,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:22:50,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2020-11-30 01:22:50,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-30 01:22:50,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-30 01:22:50,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-11-30 01:22:50,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:22:50,953 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-30 01:22:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-11-30 01:22:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2020-11-30 01:22:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 01:22:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-30 01:22:50,988 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 01:22:50,988 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 01:22:50,988 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:22:50,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-30 01:22:50,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:22:50,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:22:50,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:22:50,992 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:22:50,992 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:22:50,993 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 226#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 227#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 234#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 235#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 228#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 229#L563-2 [2020-11-30 01:22:50,994 INFO L796 eck$LassoCheckResult]: Loop: 229#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 233#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem16;havoc subxy_#t~mem15;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 229#L563-2 [2020-11-30 01:22:50,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:50,994 INFO L82 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2020-11-30 01:22:50,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:50,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243462335] [2020-11-30 01:22:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:51,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243462335] [2020-11-30 01:22:51,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:22:51,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:22:51,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878029742] [2020-11-30 01:22:51,289 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:22:51,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:51,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-11-30 01:22:51,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:51,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751581829] [2020-11-30 01:22:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:51,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:51,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:22:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:22:51,449 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 6 states. [2020-11-30 01:22:51,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:51,614 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-11-30 01:22:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:22:51,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-30 01:22:51,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:22:51,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2020-11-30 01:22:51,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-30 01:22:51,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-30 01:22:51,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-11-30 01:22:51,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:22:51,618 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-30 01:22:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-11-30 01:22:51,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-30 01:22:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 01:22:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-30 01:22:51,620 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-30 01:22:51,620 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-30 01:22:51,620 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:22:51,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-11-30 01:22:51,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:22:51,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:22:51,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:22:51,622 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-30 01:22:51,622 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:22:51,622 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 263#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 264#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 272#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~short9;havoc subxy_#t~mem7; 271#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 267#L559-1 assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post14;havoc subxy_#t~mem13; 268#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 265#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 266#L563-2 [2020-11-30 01:22:51,622 INFO L796 eck$LassoCheckResult]: Loop: 266#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 270#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem16;havoc subxy_#t~mem15;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem19;havoc subxy_#t~post20; 266#L563-2 [2020-11-30 01:22:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:51,623 INFO L82 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2020-11-30 01:22:51,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:51,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174488388] [2020-11-30 01:22:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,732 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:51,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:51,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2020-11-30 01:22:51,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:51,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669150650] [2020-11-30 01:22:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,752 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:51,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2020-11-30 01:22:51,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:51,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954127099] [2020-11-30 01:22:51,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:22:51,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:22:51,887 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:22:53,873 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2020-11-30 01:22:54,536 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-30 01:22:54,540 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:22:54,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:22:54,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:22:54,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:22:54,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:22:54,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:54,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:22:54,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:22:54,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2020-11-30 01:22:54,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:22:54,541 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:22:54,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:54,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,404 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2020-11-30 01:22:55,637 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-11-30 01:22:55,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:22:55,902 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-30 01:22:56,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:22:56,678 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:56,691 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 [2020-11-30 01:22:56,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:56,735 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 [2020-11-30 01:22:56,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:56,770 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 [2020-11-30 01:22:56,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:56,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:56,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:56,816 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 [2020-11-30 01:22:56,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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) [2020-11-30 01:22:56,849 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:56,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/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 [2020-11-30 01:22:56,882 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 [2020-11-30 01:22:56,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:56,915 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 [2020-11-30 01:22:56,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:56,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:56,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:56,981 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 [2020-11-30 01:22:56,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:56,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:56,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:56,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:56,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:56,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:56,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:56,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,017 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 [2020-11-30 01:22:57,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:57,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,058 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 [2020-11-30 01:22:57,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:57,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,093 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 [2020-11-30 01:22:57,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:57,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,131 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 [2020-11-30 01:22:57,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:22:57,178 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 [2020-11-30 01:22:57,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,216 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 [2020-11-30 01:22:57,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:57,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,247 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 [2020-11-30 01:22:57,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:22:57,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:22:57,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:22:57,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,282 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 [2020-11-30 01:22:57,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,385 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 [2020-11-30 01:22:57,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,455 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 [2020-11-30 01:22:57,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,490 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 [2020-11-30 01:22:57,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,532 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 [2020-11-30 01:22:57,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,571 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 [2020-11-30 01:22:57,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:22:57,648 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,686 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 [2020-11-30 01:22:57,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,722 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 [2020-11-30 01:22:57,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:22:57,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:22:57,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:22:57,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:22:57,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:22:57,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:22:57,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:22:57,759 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 01:22:57,759 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_930ef30f-680f-4584-b71d-3fa2584a6489/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:22:57,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:22:57,770 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:22:57,770 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:22:57,770 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2 Supporting invariants [] [2020-11-30 01:22:58,024 INFO L297 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2020-11-30 01:22:58,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:22:58,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:22:58,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:58,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:22:58,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:58,175 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-11-30 01:22:58,178 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:22:58,188 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:22:58,192 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:22:58,192 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-11-30 01:22:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:58,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 01:22:58,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:58,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 01:22:58,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-11-30 01:22:58,280 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 5 states. [2020-11-30 01:22:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:22:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:22:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-11-30 01:22:58,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-30 01:22:58,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:58,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2020-11-30 01:22:58,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:58,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-30 01:22:58,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:22:58,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-11-30 01:22:58,284 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:22:58,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-30 01:22:58,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:22:58,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:22:58,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:22:58,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:22:58,285 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:22:58,285 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:22:58,285 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:22:58,285 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 01:22:58,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:22:58,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:22:58,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:22:58,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:22:58 BoogieIcfgContainer [2020-11-30 01:22:58,292 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:22:58,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:22:58,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:22:58,293 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:22:58,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:22:43" (3/4) ... [2020-11-30 01:22:58,297 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:22:58,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:22:58,299 INFO L168 Benchmark]: Toolchain (without parser) took 15659.20 ms. Allocated memory was 77.6 MB in the beginning and 220.2 MB in the end (delta: 142.6 MB). Free memory was 42.1 MB in the beginning and 169.9 MB in the end (delta: -127.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:58,300 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:22:58,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.37 ms. Allocated memory was 77.6 MB in the beginning and 111.1 MB in the end (delta: 33.6 MB). Free memory was 41.9 MB in the beginning and 75.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:58,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 111.1 MB. Free memory was 75.0 MB in the beginning and 73.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:58,301 INFO L168 Benchmark]: Boogie Preprocessor took 34.11 ms. Allocated memory is still 111.1 MB. Free memory was 73.1 MB in the beginning and 71.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:58,302 INFO L168 Benchmark]: RCFGBuilder took 584.20 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 54.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:58,303 INFO L168 Benchmark]: BuchiAutomizer took 14306.45 ms. Allocated memory was 111.1 MB in the beginning and 220.2 MB in the end (delta: 109.1 MB). Free memory was 54.6 MB in the beginning and 169.9 MB in the end (delta: -115.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:22:58,303 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 220.2 MB. Free memory is still 169.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:22:58,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.37 ms. Allocated memory was 77.6 MB in the beginning and 111.1 MB in the end (delta: 33.6 MB). Free memory was 41.9 MB in the beginning and 75.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 111.1 MB. Free memory was 75.0 MB in the beginning and 73.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.11 ms. Allocated memory is still 111.1 MB. Free memory was 73.1 MB in the beginning and 71.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 584.20 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 54.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14306.45 ms. Allocated memory was 111.1 MB in the beginning and 220.2 MB in the end (delta: 109.1 MB). Free memory was 54.6 MB in the beginning and 169.9 MB in the end (delta: -115.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 220.2 MB. Free memory is still 169.9 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. 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 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 44 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital780 mio100 ax102 hnf99 lsp96 ukn30 mio100 lsp35 div100 bol100 ite100 ukn100 eq193 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...