./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 cb3e7c70ff280d693624878e8ba9ec05355aa785 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:41:06,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:41:06,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:41:06,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:41:06,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:41:06,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:41:06,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:41:06,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:41:06,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:41:06,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:41:06,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:41:06,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:41:06,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:41:06,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:41:06,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:41:06,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:41:06,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:41:06,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:41:06,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:41:06,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:41:06,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:41:06,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:41:06,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:41:06,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:41:06,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:41:06,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:41:06,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:41:06,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:41:06,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:41:06,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:41:06,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:41:06,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:41:06,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:41:06,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:41:06,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:41:06,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:41:06,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:41:06,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:41:06,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:41:06,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:41:06,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:41:06,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:41:06,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:41:06,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:41:06,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:41:06,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:41:06,536 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:41:06,536 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:41:06,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:41:06,537 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:41:06,537 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:41:06,537 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:41:06,537 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:41:06,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:41:06,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:41:06,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:41:06,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:41:06,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:41:06,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:41:06,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:41:06,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:41:06,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:41:06,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:41:06,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:41:06,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:41:06,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:41:06,541 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:41:06,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:41:06,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:41:06,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:41:06,542 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:41:06,543 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:41:06,543 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_581b4ea1-96eb-4dfe-9b97-24238344a34f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb3e7c70ff280d693624878e8ba9ec05355aa785 [2020-12-01 15:41:06,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:41:06,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:41:06,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:41:06,884 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:41:06,887 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:41:06,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-12-01 15:41:06,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/data/8f1a694fe/0a9cb6ca727643ba831bddebc1d9c7c2/FLAG398e73e26 [2020-12-01 15:41:07,534 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:41:07,535 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-12-01 15:41:07,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/data/8f1a694fe/0a9cb6ca727643ba831bddebc1d9c7c2/FLAG398e73e26 [2020-12-01 15:41:07,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/data/8f1a694fe/0a9cb6ca727643ba831bddebc1d9c7c2 [2020-12-01 15:41:07,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:41:07,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:41:07,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:41:07,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:41:07,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:41:07,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:41:07" (1/1) ... [2020-12-01 15:41:07,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e9672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:07, skipping insertion in model container [2020-12-01 15:41:07,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:41:07" (1/1) ... [2020-12-01 15:41:07,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:41:07,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:41:08,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:41:08,415 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:41:08,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:41:08,548 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:41:08,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08 WrapperNode [2020-12-01 15:41:08,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:41:08,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:41:08,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:41:08,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:41:08,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:41:08,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:41:08,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:41:08,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:41:08,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... [2020-12-01 15:41:08,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:41:08,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:41:08,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:41:08,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:41:08,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:41:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:41:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:41:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:41:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:41:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:41:09,114 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:41:09,115 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:41:09,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:41:09 BoogieIcfgContainer [2020-12-01 15:41:09,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:41:09,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:41:09,118 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:41:09,122 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:41:09,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:41:09,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:41:07" (1/3) ... [2020-12-01 15:41:09,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dddc256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:41:09, skipping insertion in model container [2020-12-01 15:41:09,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:41:09,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:41:08" (2/3) ... [2020-12-01 15:41:09,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dddc256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:41:09, skipping insertion in model container [2020-12-01 15:41:09,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:41:09,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:41:09" (3/3) ... [2020-12-01 15:41:09,146 INFO L389 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-12-01 15:41:09,224 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:41:09,224 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:41:09,225 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:41:09,225 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:41:09,225 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:41:09,225 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:41:09,225 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:41:09,226 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:41:09,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-12-01 15:41:09,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:41:09,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:41:09,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:41:09,270 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:41:09,270 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 15:41:09,270 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:41:09,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-12-01 15:41:09,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:41:09,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:41:09,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:41:09,273 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:41:09,273 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 15:41:09,282 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; 3#L-1true havoc main_#res;havoc main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet7, main_#t~ret8, main_#t~ret9, main_#t~mem6;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);~x~0.base, ~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5; 5#L555-2true [2020-12-01 15:41:09,282 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-2true call main_#t~mem6 := read~int(~x~0.base, ~x~0.offset, 4); 6#L554-1true assume !!(main_#t~mem6 > 0);havoc main_#t~mem6; 12#L555true assume 0 != main_#t~nondet7;havoc main_#t~nondet7;havoc foo_#res;havoc foo_#t~mem2, foo_#t~post3;call foo_#t~mem2 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3 := foo_#t~mem2;call write~int(foo_#t~post3 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~post3;havoc foo_#t~mem2; 4#L548true main_#t~ret8 := foo_#res;havoc main_#t~ret8; 5#L555-2true [2020-12-01 15:41:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:41:09,290 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 15:41:09,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:41:09,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495990215] [2020-12-01 15:41:09,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:41:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,441 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:41:09,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:41:09,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1144072, now seen corresponding path program 1 times [2020-12-01 15:41:09,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:41:09,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703971415] [2020-12-01 15:41:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:41:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,467 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,471 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:41:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:41:09,473 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-12-01 15:41:09,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:41:09,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896197071] [2020-12-01 15:41:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:41:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:41:09,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:41:09,516 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:41:09,736 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-12-01 15:41:09,834 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:41:09,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:41:09,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:41:09,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:41:09,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:41:09,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:09,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:41:09,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:41:09,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i_Iteration1_Lasso [2020-12-01 15:41:09,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:41:09,837 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:41:09,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:09,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:10,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:41:10,287 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:41:10,293 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,355 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 [2020-12-01 15:41:10,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:10,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:41:10,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,447 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 [2020-12-01 15:41:10,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:10,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:41:10,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,507 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 [2020-12-01 15:41:10,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:10,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:41:10,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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) [2020-12-01 15:41:10,579 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 [2020-12-01 15:41:10,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:10,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:10,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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) [2020-12-01 15:41:10,647 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 [2020-12-01 15:41:10,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:10,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:41:10,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,713 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 [2020-12-01 15:41:10,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:10,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:41:10,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:41:10,787 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 [2020-12-01 15:41:10,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:10,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:10,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,838 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 [2020-12-01 15:41:10,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,840 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 15:41:10,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,841 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:41:10,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:41:10,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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) [2020-12-01 15:41:10,919 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 [2020-12-01 15:41:10,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:10,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:10,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:10,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:10,985 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 [2020-12-01 15:41:10,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:10,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:10,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:10,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:10,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:10,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:41:11,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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) [2020-12-01 15:41:11,083 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 [2020-12-01 15:41:11,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:11,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:11,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,126 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 [2020-12-01 15:41:11,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:11,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:41:11,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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 [2020-12-01 15:41:11,175 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 [2020-12-01 15:41:11,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:41:11,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:41:11,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:41:11,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/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) [2020-12-01 15:41:11,263 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 [2020-12-01 15:41:11,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:11,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:41:11,335 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 [2020-12-01 15:41:11,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:11,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,403 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 [2020-12-01 15:41:11,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:41:11,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:41:11,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:41:11,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:41:11,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:41:11,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:41:11,434 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:41:11,446 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-12-01 15:41:11,447 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_581b4ea1-96eb-4dfe-9b97-24238344a34f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:41:11,475 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:41:11,486 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:41:11,487 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:41:11,487 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1) = 1*v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1 Supporting invariants [] [2020-12-01 15:41:11,525 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:41:11,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:41:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:41:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:41:11,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:41:11,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:41:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:41:11,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:41:11,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:41:11,723 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2020-12-01 15:41:11,728 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:41:11,735 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:41:11,736 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:41:11,738 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:19 [2020-12-01 15:41:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:41:11,777 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-12-01 15:41:11,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2020-12-01 15:41:11,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 24 states and 29 transitions. Complement of second has 9 states. [2020-12-01 15:41:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-12-01 15:41:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-12-01 15:41:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2020-12-01 15:41:11,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-12-01 15:41:11,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:41:11,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2020-12-01 15:41:11,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:41:11,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2020-12-01 15:41:11,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:41:11,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2020-12-01 15:41:11,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:41:11,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-12-01 15:41:11,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:41:11,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:41:11,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:41:11,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:41:11,878 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:41:11,878 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:41:11,878 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:41:11,879 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:41:11,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:41:11,879 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:41:11,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:41:11,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:41:11 BoogieIcfgContainer [2020-12-01 15:41:11,886 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:41:11,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:41:11,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:41:11,890 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:41:11,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:41:09" (3/4) ... [2020-12-01 15:41:11,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:41:11,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:41:11,897 INFO L168 Benchmark]: Toolchain (without parser) took 4040.75 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 102.3 MB in the beginning and 94.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:41:11,898 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:41:11,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.31 ms. Allocated memory is still 138.4 MB. Free memory was 102.1 MB in the beginning and 102.7 MB in the end (delta: -597.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:41:11,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 101.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:41:11,901 INFO L168 Benchmark]: Boogie Preprocessor took 27.02 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 99.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:41:11,902 INFO L168 Benchmark]: RCFGBuilder took 491.02 ms. Allocated memory is still 138.4 MB. Free memory was 99.9 MB in the beginning and 87.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:41:11,903 INFO L168 Benchmark]: BuchiAutomizer took 2768.80 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 87.3 MB in the beginning and 94.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:41:11,904 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 172.0 MB. Free memory is still 94.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:41:11,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 690.31 ms. Allocated memory is still 138.4 MB. Free memory was 102.1 MB in the beginning and 102.7 MB in the end (delta: -597.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.7 MB in the beginning and 101.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.02 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 99.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 491.02 ms. Allocated memory is still 138.4 MB. Free memory was 99.9 MB in the beginning and 87.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2768.80 ms. Allocated memory was 138.4 MB in the beginning and 172.0 MB in the end (delta: 33.6 MB). Free memory was 87.3 MB in the beginning and 94.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 172.0 MB. Free memory is still 94.5 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 6 SDslu, 15 SDs, 0 SdLazy, 12 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax117 hnf100 lsp76 ukn69 mio100 lsp39 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms 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...