./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be --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 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:44:36,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:44:36,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:44:36,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:44:36,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:44:36,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:44:36,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:44:36,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:44:36,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:44:36,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:44:36,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:44:36,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:44:36,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:44:36,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:44:36,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:44:36,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:44:36,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:44:36,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:44:36,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:44:36,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:44:36,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:44:36,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:44:36,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:44:36,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:44:36,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:44:36,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:44:36,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:44:36,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:44:36,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:44:36,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:44:36,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:44:36,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:44:36,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:44:36,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:44:36,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:44:36,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:44:36,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:44:36,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:44:36,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:44:36,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:44:36,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:44:36,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:44:36,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:44:36,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:44:36,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:44:36,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:44:36,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:44:36,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:44:36,633 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:44:36,633 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:44:36,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:44:36,633 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:44:36,634 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:44:36,635 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:44:36,635 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:44:36,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:44:36,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:44:36,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:44:36,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:44:36,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:44:36,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:44:36,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:44:36,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:44:36,637 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:44:36,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:44:36,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:44:36,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:44:36,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:44:36,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:44:36,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:44:36,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:44:36,642 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:44:36,642 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_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 [2021-10-21 19:44:36,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:44:36,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:44:36,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:44:36,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:44:36,978 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:44:36,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2021-10-21 19:44:37,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/data/1c2b681cc/17789fbe032f4fb3882c99d486e3053a/FLAG5cdae35ff [2021-10-21 19:44:37,637 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:44:37,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2021-10-21 19:44:37,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/data/1c2b681cc/17789fbe032f4fb3882c99d486e3053a/FLAG5cdae35ff [2021-10-21 19:44:37,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/data/1c2b681cc/17789fbe032f4fb3882c99d486e3053a [2021-10-21 19:44:37,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:44:37,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:44:37,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:44:37,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:44:37,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:44:37,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:37" (1/1) ... [2021-10-21 19:44:37,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300fbada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:37, skipping insertion in model container [2021-10-21 19:44:37,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:37" (1/1) ... [2021-10-21 19:44:38,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:44:38,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:44:38,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:44:38,409 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:44:38,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:44:38,497 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:44:38,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38 WrapperNode [2021-10-21 19:44:38,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:44:38,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:44:38,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:44:38,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:44:38,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:44:38,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:44:38,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:44:38,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:44:38,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:44:38,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:44:38,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:44:38,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:44:38,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:38,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:38,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:44:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:44:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:44:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:44:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:44:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:44:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:44:38,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:44:38,920 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:44:38,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:38 BoogieIcfgContainer [2021-10-21 19:44:38,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:44:38,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:44:38,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:44:38,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:44:38,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:44:38,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:44:37" (1/3) ... [2021-10-21 19:44:38,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f48aa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:44:38, skipping insertion in model container [2021-10-21 19:44:38,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:44:38,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38" (2/3) ... [2021-10-21 19:44:38,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f48aa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:44:38, skipping insertion in model container [2021-10-21 19:44:38,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:44:38,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:38" (3/3) ... [2021-10-21 19:44:38,945 INFO L389 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2021-10-21 19:44:38,987 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:44:38,987 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:44:38,987 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:44:38,988 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:44:38,988 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:44:38,988 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:44:38,988 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:44:38,988 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:44:39,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:39,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:44:39,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:44:39,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:44:39,024 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:44:39,024 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:44:39,024 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:44:39,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:39,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:44:39,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:44:39,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:44:39,027 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:44:39,031 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:44:39,038 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~j~0.base, main_~j~0.offset, 4);call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); 7#L550-4true [2021-10-21 19:44:39,038 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-4true call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); 10#L550-1true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4);main_#t~post9 := main_#t~mem8;call write~int(1 + main_#t~post9, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~mem8;havoc main_#t~post9; 8#L550-3true call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 7#L550-4true [2021-10-21 19:44:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:39,044 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:44:39,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:39,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529042377] [2021-10-21 19:44:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:39,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,159 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:44:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:44:39,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2021-10-21 19:44:39,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:39,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461399204] [2021-10-21 19:44:39,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:39,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,215 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:44:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:44:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:39,232 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2021-10-21 19:44:39,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:39,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015674812] [2021-10-21 19:44:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:39,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,256 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:44:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:44:39,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:44:39,897 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:44:39,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:44:39,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:44:39,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:44:39,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:44:39,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:39,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:44:39,898 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:44:39,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2021-10-21 19:44:39,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:44:39,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:44:39,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:39,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:44:40,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:44:40,582 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:44:40,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:44:40,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:44:40,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:44:40,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:44:40,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:40,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:40,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:44:40,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:44:40,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:44:40,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:44:40,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:40,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:40,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:44:40,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:44:40,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:44:40,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:44:40,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:40,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:44:40,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:44:40,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:44:40,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:44:40,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:44:40,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:40,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:40,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:44:40,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:44:40,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:44:40,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:40,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:40,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:40,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:40,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:40,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:44:40,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:40,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:40,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:40,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:40,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:40,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:44:40,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:44:40,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:41,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:41,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:41,002 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:41,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:41,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:44:41,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:41,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:44:41,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:41,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:41,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:41,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:44:41,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:44:41,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:44:41,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:41,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:41,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:41,055 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:41,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:44:41,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:44:41,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:44:41,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:44:41,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:44:41,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:44:41,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:44:41,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:44:41,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:44:41,128 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:44:41,128 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 19:44:41,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:44:41,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:41,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:41,158 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:44:41,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:44:41,196 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:44:41,197 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:44:41,197 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [] [2021-10-21 19:44:41,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:41,286 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-21 19:44:41,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:41,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:44:41,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:44:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:41,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:44:41,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:44:41,497 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-10-21 19:44:41,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 36 [2021-10-21 19:44:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:41,559 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:44:41,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:41,604 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 23 transitions. Complement of second has 7 states. [2021-10-21 19:44:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:44:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-21 19:44:41,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-21 19:44:41,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:44:41,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-21 19:44:41,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:44:41,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-21 19:44:41,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:44:41,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2021-10-21 19:44:41,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:44:41,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-10-21 19:44:41,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:44:41,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:44:41,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:44:41,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:44:41,617 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:44:41,617 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:44:41,617 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:44:41,618 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:44:41,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:44:41,618 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:44:41,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:44:41,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:44:41 BoogieIcfgContainer [2021-10-21 19:44:41,623 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:44:41,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:44:41,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:44:41,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:44:41,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:38" (3/4) ... [2021-10-21 19:44:41,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:44:41,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:44:41,629 INFO L168 Benchmark]: Toolchain (without parser) took 3642.55 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 80.7 MB in the beginning and 81.4 MB in the end (delta: -702.8 kB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,629 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:44:41,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.05 ms. Allocated memory is still 113.2 MB. Free memory was 80.4 MB in the beginning and 83.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 82.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,631 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 ms. Allocated memory is still 113.2 MB. Free memory was 82.0 MB in the beginning and 81.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,632 INFO L168 Benchmark]: RCFGBuilder took 373.87 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 71.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,633 INFO L168 Benchmark]: BuchiAutomizer took 2686.64 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 71.5 MB in the beginning and 82.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,633 INFO L168 Benchmark]: Witness Printer took 3.74 ms. Allocated memory is still 140.5 MB. Free memory was 82.3 MB in the beginning and 81.4 MB in the end (delta: 864.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:41,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.05 ms. Allocated memory is still 113.2 MB. Free memory was 80.4 MB in the beginning and 83.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 82.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.54 ms. Allocated memory is still 113.2 MB. Free memory was 82.0 MB in the beginning and 81.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 373.87 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 71.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2686.64 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 71.5 MB in the beginning and 82.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.74 ms. Allocated memory is still 140.5 MB. Free memory was 82.3 MB in the beginning and 81.4 MB in the end (delta: 864.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] + -1 * unknown-#memory_int-unknown[j][j] and consists of 5 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: 5 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital218 mio100 ax108 hnf100 lsp88 ukn56 mio100 lsp42 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms 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! [2021-10-21 19:44:41,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:41,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2938399f-f527-42ee-b866-7e59dbb72432/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...