./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa --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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:06:11,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:06:11,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:06:11,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:06:11,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:06:11,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:06:11,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:06:11,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:06:11,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:06:11,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:06:11,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:06:11,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:06:11,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:06:11,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:06:11,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:06:11,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:06:11,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:06:11,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:06:11,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:06:11,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:06:11,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:06:11,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:06:11,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:06:11,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:06:11,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:06:11,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:06:11,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:06:11,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:06:11,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:06:11,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:06:11,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:06:11,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:06:11,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:06:11,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:06:11,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:06:11,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:06:11,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:06:11,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:06:11,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:06:11,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:06:11,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:06:11,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 00:06:11,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:06:11,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:06:11,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:06:11,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:06:11,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:06:11,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:06:11,512 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:06:11,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:06:11,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:06:11,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:06:11,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:06:11,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:06:11,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:06:11,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:06:11,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:06:11,515 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:06:11,515 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_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2021-12-07 00:06:11,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:06:11,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:06:11,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:06:11,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:06:11,724 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:06:11,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-12-07 00:06:11,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/data/9a323532e/046bef3345c24fe29d2e6c6097a814f2/FLAG47f37b300 [2021-12-07 00:06:12,164 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:06:12,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-12-07 00:06:12,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/data/9a323532e/046bef3345c24fe29d2e6c6097a814f2/FLAG47f37b300 [2021-12-07 00:06:12,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/data/9a323532e/046bef3345c24fe29d2e6c6097a814f2 [2021-12-07 00:06:12,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:06:12,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:06:12,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:06:12,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:06:12,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:06:12,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a6b378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12, skipping insertion in model container [2021-12-07 00:06:12,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:06:12,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:06:12,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:12,295 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:06:12,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:12,312 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:06:12,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12 WrapperNode [2021-12-07 00:06:12,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:06:12,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:12,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:06:12,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:06:12,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,334 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 22 [2021-12-07 00:06:12,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:12,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:06:12,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:06:12,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:06:12,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:06:12,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:06:12,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:06:12,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:06:12,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (1/1) ... [2021-12-07 00:06:12,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:12,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:12,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:06:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:06:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:06:12,471 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:06:12,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:06:12,522 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:06:12,529 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:06:12,529 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:06:12,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:12 BoogieIcfgContainer [2021-12-07 00:06:12,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:06:12,531 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:06:12,531 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:06:12,534 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:06:12,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:06:12,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:06:12" (1/3) ... [2021-12-07 00:06:12,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205353bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:06:12, skipping insertion in model container [2021-12-07 00:06:12,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:06:12,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:12" (2/3) ... [2021-12-07 00:06:12,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205353bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:06:12, skipping insertion in model container [2021-12-07 00:06:12,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:06:12,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:12" (3/3) ... [2021-12-07 00:06:12,537 INFO L388 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-12-07 00:06:12,573 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:06:12,573 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:06:12,573 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:06:12,574 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:06:12,574 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:06:12,574 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:06:12,574 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:06:12,574 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:06:12,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-07 00:06:12,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:06:12,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:06:12,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:06:12,605 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:06:12,605 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:06:12,605 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:06:12,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-07 00:06:12,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 00:06:12,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:06:12,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:06:12,607 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:06:12,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:06:12,614 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~x~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1;~x~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L23-2true [2021-12-07 00:06:12,614 INFO L793 eck$LassoCheckResult]: Loop: 5#L23-2true assume !!(~x~0 > 0); 6#L23true assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume { :begin_inline_foo } true;havoc foo_#t~post0#1;foo_#t~post0#1 := ~x~0;~x~0 := foo_#t~post0#1 - 1;havoc foo_#t~post0#1; 11#L14-1true assume { :end_inline_foo } true; 5#L23-2true [2021-12-07 00:06:12,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 00:06:12,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:12,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409431541] [2021-12-07 00:06:12,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:12,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:06:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:06:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash 40940, now seen corresponding path program 1 times [2021-12-07 00:06:12,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477663462] [2021-12-07 00:06:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:12,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,719 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:06:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:06:12,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash 28699882, now seen corresponding path program 1 times [2021-12-07 00:06:12,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:12,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599436701] [2021-12-07 00:06:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:12,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:06:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:06:12,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:06:12,787 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:06:12,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:06:12,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:06:12,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:06:12,788 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:06:12,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:06:12,788 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:06:12,788 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2021-12-07 00:06:12,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:06:12,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:06:12,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:12,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:12,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:12,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:06:12,845 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:06:12,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:12,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:12,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:06:12,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:06:12,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:06:12,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:06:12,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:06:12,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:06:12,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:12,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:12,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:06:12,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:06:12,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:06:12,894 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:06:12,894 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_foo_#t~post0#1=0} Honda state: {ULTIMATE.start_foo_#t~post0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:06:12,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:06:12,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:12,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:12,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:06:12,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:06:12,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:06:12,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:06:12,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:12,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:12,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:06:12,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:06:12,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:06:12,994 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:06:12,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:06:12,997 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:06:12,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:06:12,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:06:12,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:06:12,997 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:06:12,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:12,998 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:06:12,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:06:12,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2021-12-07 00:06:12,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:06:12,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:06:12,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:13,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:13,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:06:13,030 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:06:13,033 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:06:13,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:13,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:13,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:06:13,036 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 [2021-12-07 00:06:13,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:06:13,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:06:13,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:06:13,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:06:13,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:06:13,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:06:13,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:06:13,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:06:13,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:06:13,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:13,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:13,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:13,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:06:13,081 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 [2021-12-07 00:06:13,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:06:13,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:06:13,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:06:13,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:06:13,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:06:13,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:06:13,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:06:13,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:06:13,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:06:13,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:13,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:13,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:13,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:06:13,124 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 [2021-12-07 00:06:13,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:06:13,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:06:13,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:06:13,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:06:13,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:06:13,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:06:13,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:06:13,134 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:06:13,139 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 00:06:13,139 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 00:06:13,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:06:13,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:13,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:13,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:06:13,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:06:13,173 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 00:06:13,173 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:06:13,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2021-12-07 00:06:13,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:06:13,197 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 00:06:13,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:13,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:06:13,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:06:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:13,231 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 00:06:13,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:06:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:06:13,298 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 [2021-12-07 00:06:13,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-07 00:06:13,334 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 23 states and 28 transitions. Complement of second has 7 states. [2021-12-07 00:06:13,336 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 [2021-12-07 00:06:13,340 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) [2021-12-07 00:06:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-12-07 00:06:13,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-07 00:06:13,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:06:13,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-07 00:06:13,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:06:13,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-07 00:06:13,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:06:13,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-12-07 00:06:13,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:06:13,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-12-07 00:06:13,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-07 00:06:13,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:06:13,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:06:13,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:06:13,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:06:13,351 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:06:13,352 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:06:13,352 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:06:13,352 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:06:13,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:06:13,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:06:13,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:06:13,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:06:13 BoogieIcfgContainer [2021-12-07 00:06:13,358 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:06:13,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:06:13,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:06:13,359 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:06:13,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:12" (3/4) ... [2021-12-07 00:06:13,361 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:06:13,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:06:13,362 INFO L158 Benchmark]: Toolchain (without parser) took 1181.11ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 78.9MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:06:13,363 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:06:13,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.69ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 57.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:06:13,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.51ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 56.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:06:13,365 INFO L158 Benchmark]: Boogie Preprocessor took 11.82ms. Allocated memory is still 104.9MB. Free memory was 56.6MB in the beginning and 55.7MB in the end (delta: 904.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:06:13,365 INFO L158 Benchmark]: RCFGBuilder took 183.75ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 78.1MB in the end (delta: -22.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-12-07 00:06:13,366 INFO L158 Benchmark]: BuchiAutomizer took 826.83ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 78.9MB in the end (delta: -1.1MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-12-07 00:06:13,366 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:06:13,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.69ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 57.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.51ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 56.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.82ms. Allocated memory is still 104.9MB. Free memory was 56.6MB in the beginning and 55.7MB in the end (delta: 904.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 183.75ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 78.1MB in the end (delta: -22.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 826.83ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 78.9MB in the end (delta: -1.1MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * 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 x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 00:06:13,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96fa19fc-94eb-4ae0-a500-42c6d650853a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE