./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca-2.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_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/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_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/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_35977c23-aabf-456b-8a1f-97e8145550d7/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 87a589e0ffbfcb90a830815f69f6388d148c4cb536b254f5ee9fa6af158d6006 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:02:11,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:02:11,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:02:11,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:02:11,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:02:11,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:02:11,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:02:11,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:02:11,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:02:11,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:02:11,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:02:11,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:02:11,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:02:11,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:02:11,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:02:11,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:02:11,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:02:11,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:02:11,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:02:11,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:02:11,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:02:11,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:02:11,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:02:11,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:02:11,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:02:11,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:02:11,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:02:11,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:02:11,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:02:11,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:02:11,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:02:11,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:02:11,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:02:11,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:02:11,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:02:11,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:02:11,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:02:11,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:02:11,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:02:11,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:02:11,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:02:11,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:02:11,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:02:11,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:02:11,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:02:11,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:02:11,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:02:11,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:02:11,396 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:02:11,396 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:02:11,396 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:02:11,396 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:02:11,397 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:02:11,397 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:02:11,397 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:02:11,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:02:11,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:02:11,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:02:11,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:02:11,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:02:11,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:02:11,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:02:11,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:02:11,399 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:02:11,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:02:11,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:02:11,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:02:11,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:02:11,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:02:11,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:02:11,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:02:11,401 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:02:11,402 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_35977c23-aabf-456b-8a1f-97e8145550d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a589e0ffbfcb90a830815f69f6388d148c4cb536b254f5ee9fa6af158d6006 [2021-10-21 20:02:11,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:02:11,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:02:11,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:02:11,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:02:11,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:02:11,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca-2.i [2021-10-21 20:02:11,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/data/88f698640/c77a39bb4adf4b61b3eb3e6703fd7027/FLAG6d99c644c [2021-10-21 20:02:12,272 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:02:12,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca-2.i [2021-10-21 20:02:12,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/data/88f698640/c77a39bb4adf4b61b3eb3e6703fd7027/FLAG6d99c644c [2021-10-21 20:02:12,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/data/88f698640/c77a39bb4adf4b61b3eb3e6703fd7027 [2021-10-21 20:02:12,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:02:12,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:02:12,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:12,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:02:12,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:02:12,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:12" (1/1) ... [2021-10-21 20:02:12,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c53f7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:12, skipping insertion in model container [2021-10-21 20:02:12,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:12" (1/1) ... [2021-10-21 20:02:12,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:02:12,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:02:12,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:12,978 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:02:13,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:13,044 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:02:13,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13 WrapperNode [2021-10-21 20:02:13,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:13,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:13,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:02:13,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:02:13,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:13,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:02:13,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:02:13,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:02:13,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:02:13,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:02:13,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:02:13,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:02:13,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (1/1) ... [2021-10-21 20:02:13,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:02:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:02:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:02:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:02:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:02:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:02:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:02:13,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:02:13,572 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:02:13,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:13 BoogieIcfgContainer [2021-10-21 20:02:13,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:02:13,575 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:02:13,575 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:02:13,578 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:02:13,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:13,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:02:12" (1/3) ... [2021-10-21 20:02:13,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cff954a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:02:13, skipping insertion in model container [2021-10-21 20:02:13,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:13,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:13" (2/3) ... [2021-10-21 20:02:13,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cff954a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:02:13, skipping insertion in model container [2021-10-21 20:02:13,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:13,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:13" (3/3) ... [2021-10-21 20:02:13,586 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca-2.i [2021-10-21 20:02:13,632 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:02:13,632 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:02:13,632 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:02:13,632 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:02:13,633 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:02:13,633 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:02:13,633 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:02:13,633 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:02:13,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 20:02:13,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:02:13,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:13,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:13,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:02:13,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:02:13,667 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:02:13,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 20:02:13,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:02:13,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:13,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:13,670 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:02:13,670 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:02:13,677 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~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L558true assume !(main_~length1~0 < 1); 6#L558-2true assume !(main_~length2~0 < 1); 9#L561-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 7#L550-3true [2021-10-21 20:02:13,678 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-3true call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 13#L550-1true assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 12#L551true assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 7#L550-3true [2021-10-21 20:02:13,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:13,683 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-21 20:02:13,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:13,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138508917] [2021-10-21 20:02:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:13,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:13,850 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:13,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:13,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:13,939 INFO L82 PathProgramCache]: Analyzing trace with hash 49816, now seen corresponding path program 1 times [2021-10-21 20:02:13,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:13,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51666459] [2021-10-21 20:02:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:13,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:13,964 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:13,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash 180429619, now seen corresponding path program 1 times [2021-10-21 20:02:13,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:13,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913888621] [2021-10-21 20:02:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:13,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:14,078 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:14,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:15,044 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:02:15,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:02:15,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:02:15,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:02:15,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:02:15,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:15,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:02:15,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:02:15,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-2.i_Iteration1_Lasso [2021-10-21 20:02:15,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:02:15,048 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:02:15,079 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 20:02:15,085 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 20:02:15,087 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 20:02:15,092 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 20:02:15,095 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 20:02:15,098 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 20:02:15,100 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 20:02:15,103 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 20:02:15,106 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 20:02:15,110 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 20:02:15,112 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 20:02:15,115 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 20:02:15,117 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 20:02:15,625 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 20:02:15,629 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 20:02:15,632 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 20:02:15,635 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 20:02:15,638 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 20:02:15,640 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 20:02:15,642 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 20:02:15,645 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 20:02:15,648 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 20:02:16,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:02:16,184 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:02:16,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:02:16,206 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 20:02:16,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 20:02:16,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:02:16,264 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 20:02:16,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:02:16,314 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 20:02:16,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:16,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:16,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:02:16,383 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 20:02:16,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 20:02:16,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:02:16,436 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 20:02:16,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:16,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:16,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,508 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 20:02:16,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:02:16,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,579 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 20:02:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:02:16,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,645 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:02:16,650 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 20:02:16,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:16,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:16,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,715 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:02:16,721 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 20:02:16,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:02:16,770 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 20:02:16,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,800 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,802 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 20:02:16,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:02:16,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,866 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:02:16,867 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 20:02:16,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:16,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:16,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:16,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:16,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:16,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,901 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:02:16,904 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 20:02:16,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:16,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:16,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:16,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:16,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:16,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:16,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:02:17,093 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-10-21 20:02:17,094 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-21 20:02:17,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:17,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:17,097 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:17,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:02:17,136 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:02:17,156 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:02:17,156 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:02:17,157 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s2.offset, v_rep(select #length ULTIMATE.start_cstrcmp_~s1.base)_1) = -1*ULTIMATE.start_cstrcmp_~s2.offset + 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s1.base)_1 Supporting invariants [] [2021-10-21 20:02:17,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:17,277 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-21 20:02:17,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:17,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-21 20:02:17,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:17,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-21 20:02:17,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:17,461 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 20:02:17,476 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 20:02:17,477 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 20:02:17,538 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 22 states and 28 transitions. Complement of second has 5 states. [2021-10-21 20:02:17,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 0 non-accepting loop states 2 accepting loop states [2021-10-21 20:02:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 20:02:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-10-21 20:02:17,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-21 20:02:17,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:17,543 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:02:17,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:17,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-21 20:02:17,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:17,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-21 20:02:17,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:17,674 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 20:02:17,675 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 20:02:17,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 20:02:17,728 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 34 states and 38 transitions. Complement of second has 9 states. [2021-10-21 20:02:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-21 20:02:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 20:02:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-21 20:02:17,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-21 20:02:17,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:17,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-21 20:02:17,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:17,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-21 20:02:17,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:17,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 38 transitions. [2021-10-21 20:02:17,738 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:02:17,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-10-21 20:02:17,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:02:17,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:02:17,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:02:17,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:17,741 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:02:17,741 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:02:17,741 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:02:17,741 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:02:17,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:02:17,741 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:02:17,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:02:17,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:02:17 BoogieIcfgContainer [2021-10-21 20:02:17,745 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:02:17,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:02:17,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:02:17,746 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:02:17,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:13" (3/4) ... [2021-10-21 20:02:17,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:02:17,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:02:17,749 INFO L168 Benchmark]: Toolchain (without parser) took 5157.06 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 57.6 MB in the beginning and 47.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,750 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:17,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.68 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 57.6 MB in the beginning and 108.4 MB in the end (delta: -50.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,752 INFO L168 Benchmark]: Boogie Preprocessor took 61.41 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 105.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,753 INFO L168 Benchmark]: RCFGBuilder took 402.14 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 94.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,754 INFO L168 Benchmark]: BuchiAutomizer took 4170.30 ms. Allocated memory is still 140.5 MB. Free memory was 94.0 MB in the beginning and 48.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,754 INFO L168 Benchmark]: Witness Printer took 2.44 ms. Allocated memory is still 140.5 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:17,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.68 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 57.6 MB in the beginning and 108.4 MB in the end (delta: -50.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.41 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 105.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 402.14 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 94.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4170.30 ms. Allocated memory is still 140.5 MB. Free memory was 94.0 MB in the beginning and 48.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.44 ms. Allocated memory is still 140.5 MB. Free memory is still 47.5 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 -1 * s2 + unknown-#length-unknown[s1] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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 [0, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 22 SDslu, 14 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax108 hnf100 lsp89 ukn87 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms 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 20:02:17,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:18,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35977c23-aabf-456b-8a1f-97e8145550d7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...