./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/stpcpy.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_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/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_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/stpcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/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_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/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 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:03:35,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:03:35,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:03:35,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:03:35,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:03:35,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:03:35,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:03:35,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:03:35,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:03:35,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:03:35,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:03:35,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:03:35,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:03:35,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:03:35,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:03:35,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:03:35,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:03:35,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:03:35,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:03:35,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:03:35,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:03:35,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:03:35,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:03:35,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:03:35,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:03:35,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:03:35,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:03:35,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:03:35,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:03:35,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:03:35,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:03:35,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:03:35,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:03:35,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:03:35,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:03:35,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:03:35,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:03:35,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:03:35,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:03:35,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:03:35,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:03:35,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:03:35,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:03:35,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:03:35,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:03:35,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:03:35,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:03:35,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:03:35,635 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:03:35,635 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:03:35,636 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:03:35,636 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:03:35,636 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:03:35,636 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:03:35,637 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:03:35,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:03:35,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:03:35,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:03:35,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:03:35,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:03:35,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:03:35,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:03:35,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:03:35,648 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:03:35,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:03:35,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:03:35,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:03:35,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:03:35,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:03:35,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:03:35,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:03:35,653 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:03:35,653 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_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c [2021-10-21 20:03:35,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:03:35,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:03:35,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:03:35,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:03:36,000 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:03:36,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-dietlibc/stpcpy.i [2021-10-21 20:03:36,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/data/a3e65b378/b61d1a370f754ce1a5cdd94eaf1bbb8f/FLAGb9ff4442c [2021-10-21 20:03:36,677 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:03:36,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/sv-benchmarks/c/termination-dietlibc/stpcpy.i [2021-10-21 20:03:36,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/data/a3e65b378/b61d1a370f754ce1a5cdd94eaf1bbb8f/FLAGb9ff4442c [2021-10-21 20:03:36,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/data/a3e65b378/b61d1a370f754ce1a5cdd94eaf1bbb8f [2021-10-21 20:03:36,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:03:36,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:03:36,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:36,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:03:36,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:03:36,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:36" (1/1) ... [2021-10-21 20:03:36,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1411c207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:36, skipping insertion in model container [2021-10-21 20:03:36,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:36" (1/1) ... [2021-10-21 20:03:36,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:03:37,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:03:37,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:37,431 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:03:37,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:37,508 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:03:37,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37 WrapperNode [2021-10-21 20:03:37,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:37,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:37,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:03:37,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:03:37,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:37,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:03:37,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:03:37,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:03:37,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:03:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:03:37,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:03:37,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:03:37,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (1/1) ... [2021-10-21 20:03:37,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:37,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:37,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:37,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:03:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:03:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:03:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:03:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:03:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:03:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:03:38,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:03:38,118 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:03:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:38 BoogieIcfgContainer [2021-10-21 20:03:38,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:03:38,122 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:03:38,122 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:03:38,145 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:03:38,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:38,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:03:36" (1/3) ... [2021-10-21 20:03:38,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d75d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:03:38, skipping insertion in model container [2021-10-21 20:03:38,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:38,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:37" (2/3) ... [2021-10-21 20:03:38,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d75d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:03:38, skipping insertion in model container [2021-10-21 20:03:38,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:38,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:38" (3/3) ... [2021-10-21 20:03:38,154 INFO L389 chiAutomizerObserver]: Analyzing ICFG stpcpy.i [2021-10-21 20:03:38,226 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:03:38,226 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:03:38,227 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:03:38,227 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:03:38,227 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:03:38,227 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:03:38,227 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:03:38,227 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:03:38,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 20:03:38,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:03:38,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:03:38,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:03:38,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:03:38,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:03:38,268 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:03:38,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 20:03:38,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:03:38,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:03:38,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:03:38,271 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:03:38,271 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:03:38,278 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 9#L512true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet7;havoc main_#t~nondet7; 11#L516true assume !(main_~out_len~0 < main_~in_len~0);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;stpcpy_#in~dst.base, stpcpy_#in~dst.offset, stpcpy_#in~src.base, stpcpy_#in~src.offset := main_~out~0.base, main_~out~0.offset, main_~in~0.base, main_~in~0.offset;havoc stpcpy_#res.base, stpcpy_#res.offset;havoc stpcpy_#t~post2.base, stpcpy_#t~post2.offset, stpcpy_#t~post3.base, stpcpy_#t~post3.offset, stpcpy_#t~mem4, stpcpy_~dst.base, stpcpy_~dst.offset, stpcpy_~src.base, stpcpy_~src.offset;stpcpy_~dst.base, stpcpy_~dst.offset := stpcpy_#in~dst.base, stpcpy_#in~dst.offset;stpcpy_~src.base, stpcpy_~src.offset := stpcpy_#in~src.base, stpcpy_#in~src.offset; 12#L507-3true [2021-10-21 20:03:38,279 INFO L793 eck$LassoCheckResult]: Loop: 12#L507-3true stpcpy_#t~post2.base, stpcpy_#t~post2.offset := stpcpy_~dst.base, stpcpy_~dst.offset;stpcpy_~dst.base, stpcpy_~dst.offset := stpcpy_#t~post2.base, 1 + stpcpy_#t~post2.offset;stpcpy_#t~post3.base, stpcpy_#t~post3.offset := stpcpy_~src.base, stpcpy_~src.offset;stpcpy_~src.base, stpcpy_~src.offset := stpcpy_#t~post3.base, 1 + stpcpy_#t~post3.offset;call stpcpy_#t~mem4 := read~int(stpcpy_#t~post3.base, stpcpy_#t~post3.offset, 1);call write~int(stpcpy_#t~mem4, stpcpy_#t~post2.base, stpcpy_#t~post2.offset, 1); 6#L507-1true assume !!(0 != stpcpy_#t~mem4);havoc stpcpy_#t~post2.base, stpcpy_#t~post2.offset;havoc stpcpy_#t~post3.base, stpcpy_#t~post3.offset;havoc stpcpy_#t~mem4; 12#L507-3true [2021-10-21 20:03:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:38,285 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-21 20:03:38,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:38,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746858382] [2021-10-21 20:03:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:38,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,417 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:38,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2021-10-21 20:03:38,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:38,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837613788] [2021-10-21 20:03:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:38,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,490 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,507 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:38,509 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-10-21 20:03:38,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:38,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436334037] [2021-10-21 20:03:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:38,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:38,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:39,707 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:03:39,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:03:39,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:03:39,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:03:39,709 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:03:39,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:39,709 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:03:39,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:03:39,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: stpcpy.i_Iteration1_Lasso [2021-10-21 20:03:39,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:03:39,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:03:39,743 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 20:03:39,749 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 20:03:39,753 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 20:03:39,756 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 20:03:39,759 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 20:03:39,763 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 20:03:39,768 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 20:03:39,771 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 20:03:39,775 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 20:03:40,307 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 20:03:40,311 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 20:03:40,314 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 20:03:40,318 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 20:03:40,321 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 20:03:40,325 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 20:03:40,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:03:40,868 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:03:40,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:40,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:40,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:40,883 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 20:03:40,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:40,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:40,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:40,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:40,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:40,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:03:40,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:40,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:40,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:40,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:40,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:40,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:40,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:40,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:03:40,967 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 20:03:40,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:40,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:40,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:40,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:40,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:40,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:40,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:40,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 20:03:41,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:03:41,031 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 20:03:41,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:41,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:41,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:41,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:03:41,093 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 20:03:41,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:41,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:41,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:41,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,183 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 20:03:41,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:03:41,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,260 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 20:03:41,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:03:41,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:03:41,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,339 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:03:41,348 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 20:03:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:41,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:41,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:41,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,428 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 20:03:41,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:41,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:41,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:03:41,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,480 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 20:03:41,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:03:41,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,577 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,590 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 20:03:41,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:03:41,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,646 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:03:41,651 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 20:03:41,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,717 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:03:41,727 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 20:03:41,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,807 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:03:41,808 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 20:03:41,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:41,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:41,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:41,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:41,870 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:41,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:03:41,873 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 20:03:41,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:41,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:41,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:41,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:41,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:41,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:41,927 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:03:42,008 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 20:03:42,008 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-21 20:03:42,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:42,017 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:42,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:03:42,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:03:42,062 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:03:42,062 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:03:42,063 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_stpcpy_~src.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = -1*ULTIMATE.start_stpcpy_~src.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [] [2021-10-21 20:03:42,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:42,144 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2021-10-21 20:03:42,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:42,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-21 20:03:42,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:42,324 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-21 20:03:42,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:42,387 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 20:03:42,405 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:03:42,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 20:03:42,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 26 states and 27 transitions. Complement of second has 7 states. [2021-10-21 20:03:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:03:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 20:03:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-21 20:03:42,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:03:42,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:42,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 20:03:42,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:42,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-21 20:03:42,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:42,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 27 transitions. [2021-10-21 20:03:42,501 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:03:42,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-21 20:03:42,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:03:42,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:03:42,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:03:42,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:03:42,507 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:42,507 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:42,507 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:42,507 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:03:42,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:03:42,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:03:42,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:03:42,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:03:42 BoogieIcfgContainer [2021-10-21 20:03:42,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:03:42,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:03:42,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:03:42,516 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:03:42,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:38" (3/4) ... [2021-10-21 20:03:42,519 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:03:42,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:03:42,523 INFO L168 Benchmark]: Toolchain (without parser) took 5557.90 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 68.5 MB in the beginning and 72.8 MB in the end (delta: -4.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,524 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 100.7 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:42,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.40 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 68.4 MB in the beginning and 98.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.24 ms. Allocated memory is still 127.9 MB. Free memory was 98.1 MB in the beginning and 96.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,532 INFO L168 Benchmark]: Boogie Preprocessor took 50.20 ms. Allocated memory is still 127.9 MB. Free memory was 96.4 MB in the beginning and 94.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,533 INFO L168 Benchmark]: RCFGBuilder took 499.73 ms. Allocated memory is still 127.9 MB. Free memory was 94.9 MB in the beginning and 85.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,534 INFO L168 Benchmark]: BuchiAutomizer took 4392.46 ms. Allocated memory is still 127.9 MB. Free memory was 85.0 MB in the beginning and 72.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:42,534 INFO L168 Benchmark]: Witness Printer took 4.48 ms. Allocated memory is still 127.9 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:42,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 100.7 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.40 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 68.4 MB in the beginning and 98.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.24 ms. Allocated memory is still 127.9 MB. Free memory was 98.1 MB in the beginning and 96.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.20 ms. Allocated memory is still 127.9 MB. Free memory was 96.4 MB in the beginning and 94.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 499.73 ms. Allocated memory is still 127.9 MB. Free memory was 94.9 MB in the beginning and 85.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4392.46 ms. Allocated memory is still 127.9 MB. Free memory was 85.0 MB in the beginning and 72.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.48 ms. Allocated memory is still 127.9 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * src and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. 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: 11 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax100 hnf100 lsp96 ukn88 mio100 lsp44 div100 bol100 ite100 ukn100 eq200 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! [2021-10-21 20:03:42,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:42,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fffb75-d8b3-4a9f-b5d1-8b965421ab93/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...