./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/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_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/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 32bit --witnessprinter.graph.data.programhash 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:28:21,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:28:21,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:28:21,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:28:21,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:28:21,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:28:21,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:28:21,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:28:21,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:28:21,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:28:21,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:28:21,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:28:21,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:28:21,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:28:21,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:28:21,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:28:21,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:28:21,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:28:21,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:28:21,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:28:21,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:28:21,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:28:21,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:28:21,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:28:21,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:28:21,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:28:21,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:28:21,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:28:21,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:28:21,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:28:21,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:28:21,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:28:21,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:28:21,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:28:21,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:28:21,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:28:21,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:28:21,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:28:21,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:28:21,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:28:21,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:28:21,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 19:28:21,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:28:21,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:28:21,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:28:21,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:28:21,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:28:21,373 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:28:21,373 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:28:21,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:28:21,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:28:21,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:28:21,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:28:21,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:28:21,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:28:21,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:28:21,377 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:28:21,377 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_77f3f0fb-70eb-42a4-89aa-6a76f7748430/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 [2021-12-06 19:28:21,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:28:21,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:28:21,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:28:21,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:28:21,569 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:28:21,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-12-06 19:28:21,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/data/3f45501de/0a0efe483c7144c6b4939b793a047d1c/FLAG8e6553d0c [2021-12-06 19:28:22,015 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:28:22,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-12-06 19:28:22,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/data/3f45501de/0a0efe483c7144c6b4939b793a047d1c/FLAG8e6553d0c [2021-12-06 19:28:22,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/data/3f45501de/0a0efe483c7144c6b4939b793a047d1c [2021-12-06 19:28:22,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:28:22,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:28:22,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:28:22,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:28:22,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:28:22,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb451d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22, skipping insertion in model container [2021-12-06 19:28:22,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:28:22,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:28:22,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:28:22,267 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:28:22,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:28:22,311 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:28:22,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22 WrapperNode [2021-12-06 19:28:22,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:28:22,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:28:22,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:28:22,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:28:22,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,341 INFO L137 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2021-12-06 19:28:22,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:28:22,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:28:22,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:28:22,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:28:22,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:28:22,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:28:22,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:28:22,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:28:22,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (1/1) ... [2021-12-06 19:28:22,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:22,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:22,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:28:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:28:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:28:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:28:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:28:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:28:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:28:22,495 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:28:22,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:28:22,600 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:28:22,604 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:28:22,604 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 19:28:22,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:28:22 BoogieIcfgContainer [2021-12-06 19:28:22,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:28:22,606 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:28:22,606 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:28:22,610 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:28:22,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:28:22,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:28:22" (1/3) ... [2021-12-06 19:28:22,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bac8045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:28:22, skipping insertion in model container [2021-12-06 19:28:22,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:28:22,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:28:22" (2/3) ... [2021-12-06 19:28:22,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bac8045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:28:22, skipping insertion in model container [2021-12-06 19:28:22,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:28:22,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:28:22" (3/3) ... [2021-12-06 19:28:22,613 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-2.i [2021-12-06 19:28:22,650 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:28:22,651 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:28:22,651 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:28:22,651 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:28:22,651 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:28:22,651 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:28:22,651 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:28:22,651 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:28:22,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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) [2021-12-06 19:28:22,674 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-06 19:28:22,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:22,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:22,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 19:28:22,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:28:22,679 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:28:22,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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) [2021-12-06 19:28:22,680 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-06 19:28:22,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:22,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:22,681 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 19:28:22,681 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:28:22,686 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 10#L532true assume !(main_~length~0#1 < 1); 6#L532-2true assume !(main_~n~0#1 < 1); 3#L535-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 16#L541-3true [2021-12-06 19:28:22,686 INFO L793 eck$LassoCheckResult]: Loop: 16#L541-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 21#L541-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 16#L541-3true [2021-12-06 19:28:22,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-06 19:28:22,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:22,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088780244] [2021-12-06 19:28:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:22,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,769 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,793 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-12-06 19:28:22,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:22,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819357811] [2021-12-06 19:28:22,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:22,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,805 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-12-06 19:28:22,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:22,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722751760] [2021-12-06 19:28:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:22,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:22,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:23,087 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:28:23,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:28:23,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:28:23,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:28:23,088 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:28:23,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:28:23,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:28:23,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration1_Lasso [2021-12-06 19:28:23,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:28:23,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:28:23,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:23,359 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:28:23,362 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:28:23,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:28:23,365 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 [2021-12-06 19:28:23,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:23,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:28:23,400 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 [2021-12-06 19:28:23,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:28:23,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:28:23,430 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 [2021-12-06 19:28:23,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:28:23,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:28:23,461 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 [2021-12-06 19:28:23,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:28:23,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:28:23,496 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 [2021-12-06 19:28:23,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 19:28:23,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:28:23,526 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 [2021-12-06 19:28:23,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:23,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,562 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:28:23,563 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 [2021-12-06 19:28:23,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:28:23,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:28:23,596 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 [2021-12-06 19:28:23,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:23,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,628 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:28:23,629 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 [2021-12-06 19:28:23,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 19:28:23,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:28:23,659 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 [2021-12-06 19:28:23,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:23,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,691 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:28:23,692 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 [2021-12-06 19:28:23,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 19:28:23,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:28:23,729 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 [2021-12-06 19:28:23,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:28:23,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:28:23,773 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 [2021-12-06 19:28:23,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:28:23,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,802 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:28:23,803 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 [2021-12-06 19:28:23,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:23,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:23,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:23,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:28:23,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,834 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:28:23,835 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 [2021-12-06 19:28:23,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 19:28:23,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,868 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:28:23,869 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 [2021-12-06 19:28:23,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:28:23,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,901 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:28:23,902 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 [2021-12-06 19:28:23,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:23,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:23,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,933 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:28:23,934 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 [2021-12-06 19:28:23,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:23,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:23,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:23,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:23,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:23,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:23,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:28:23,981 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-06 19:28:23,981 INFO L444 ModelExtractionUtils]: 11 out of 22 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 19:28:23,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:23,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:23,983 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:23,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:28:23,990 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:28:24,001 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 19:28:24,002 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:28:24,002 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [-1*ULTIMATE.start_main_~length~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1 >= 0] [2021-12-06 19:28:24,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:24,039 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-12-06 19:28:24,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:24,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:28:24,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:24,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:28:24,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:24,146 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 19:28:24,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-12-06 19:28:24,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 45 states and 67 transitions. Complement of second has 8 states. [2021-12-06 19:28:24,206 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 [2021-12-06 19:28:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-12-06 19:28:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2021-12-06 19:28:24,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-06 19:28:24,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:24,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-06 19:28:24,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:24,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-06 19:28:24,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:24,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 67 transitions. [2021-12-06 19:28:24,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:24,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 16 states and 21 transitions. [2021-12-06 19:28:24,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-06 19:28:24,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-06 19:28:24,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-12-06 19:28:24,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:24,224 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-06 19:28:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-12-06 19:28:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-06 19:28:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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) [2021-12-06 19:28:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-12-06 19:28:24,242 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-06 19:28:24,242 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-06 19:28:24,242 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:28:24,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-12-06 19:28:24,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:24,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:24,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:24,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:24,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:28:24,244 INFO L791 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 156#L532 assume !(main_~length~0#1 < 1); 151#L532-2 assume !(main_~n~0#1 < 1); 147#L535-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 148#L541-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 157#L541-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 158#L516 assume 0 != cstrncpy_~n#1 % 4294967296;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 155#L519-4 [2021-12-06 19:28:24,244 INFO L793 eck$LassoCheckResult]: Loop: 155#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 159#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 160#L519-1 cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 154#L519-2 assume !!(0 != cstrncpy_#t~pre2#1 % 4294967296);havoc cstrncpy_#t~pre2#1; 155#L519-4 [2021-12-06 19:28:24,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,245 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2021-12-06 19:28:24,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829536820] [2021-12-06 19:28:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,269 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:24,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2021-12-06 19:28:24,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991044418] [2021-12-06 19:28:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2021-12-06 19:28:24,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838270945] [2021-12-06 19:28:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:24,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:28:24,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838270945] [2021-12-06 19:28:24,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838270945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:28:24,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:28:24,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 19:28:24,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117647719] [2021-12-06 19:28:24,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:28:24,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:28:24,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:28:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:28:24,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:28:24,593 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-06 19:28:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:28:24,683 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-12-06 19:28:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:28:24,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-12-06 19:28:24,685 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-06 19:28:24,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2021-12-06 19:28:24,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-06 19:28:24,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-06 19:28:24,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-06 19:28:24,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:24,686 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-06 19:28:24,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-06 19:28:24,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-12-06 19:28:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2021-12-06 19:28:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-12-06 19:28:24,688 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 19:28:24,688 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 19:28:24,688 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:28:24,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-12-06 19:28:24,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:24,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:24,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:24,689 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:24,689 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:28:24,689 INFO L791 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 216#L532 assume !(main_~length~0#1 < 1); 211#L532-2 assume !(main_~n~0#1 < 1); 207#L535-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 208#L541-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 220#L541-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 226#L516 assume 0 != cstrncpy_~n#1 % 4294967296;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 225#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 219#L520 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 212#L521-3 [2021-12-06 19:28:24,690 INFO L793 eck$LassoCheckResult]: Loop: 212#L521-3 cstrncpy_#t~pre6#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 213#L521-1 assume !!(0 != cstrncpy_#t~pre6#1 % 4294967296);havoc cstrncpy_#t~pre6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 212#L521-3 [2021-12-06 19:28:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2021-12-06 19:28:24,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554293764] [2021-12-06 19:28:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:24,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2021-12-06 19:28:24,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524957508] [2021-12-06 19:28:24,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,746 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:24,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:24,754 INFO L85 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2021-12-06 19:28:24,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:24,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070071336] [2021-12-06 19:28:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:24,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:24,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:25,490 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:28:25,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:28:25,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:28:25,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:28:25,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:28:25,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:25,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:28:25,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:28:25,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration3_Lasso [2021-12-06 19:28:25,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:28:25,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:28:25,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:25,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:26,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:28:26,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:28:26,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,156 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:28:26,160 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 [2021-12-06 19:28:26,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 19:28:26,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,189 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:28:26,190 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 [2021-12-06 19:28:26,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 19:28:26,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,217 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:28:26,219 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 [2021-12-06 19:28:26,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:26,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,247 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:28:26,248 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 [2021-12-06 19:28:26,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 19:28:26,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:28:26,284 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 [2021-12-06 19:28:26,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 19:28:26,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,312 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:28:26,313 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 [2021-12-06 19:28:26,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 19:28:26,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,342 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:28:26,343 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 [2021-12-06 19:28:26,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:26,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,371 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:28:26,372 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 [2021-12-06 19:28:26,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 19:28:26,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,402 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:28:26,403 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 [2021-12-06 19:28:26,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 19:28:26,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,431 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:28:26,432 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 [2021-12-06 19:28:26,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:26,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:26,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:26,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:28:26,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,460 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:28:26,462 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 [2021-12-06 19:28:26,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:26,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,493 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:28:26,495 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 [2021-12-06 19:28:26,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 19:28:26,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,524 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:28:26,526 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 [2021-12-06 19:28:26,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:26,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 19:28:26,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,559 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:28:26,560 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 [2021-12-06 19:28:26,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:26,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:26,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:26,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:26,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:26,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:26,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:28:26,657 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-12-06 19:28:26,657 INFO L444 ModelExtractionUtils]: 19 out of 58 variables were initially zero. Simplification set additionally 34 variables to zero. [2021-12-06 19:28:26,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:26,658 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:26,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:28:26,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:28:26,669 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 19:28:26,669 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:28:26,669 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n#1) = 1*ULTIMATE.start_cstrncpy_~n#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrncpy_~d~0#1.base)_1 + 1*ULTIMATE.start_cstrncpy_~d~0#1.offset + 1*ULTIMATE.start_cstrncpy_~n#1 >= 0] [2021-12-06 19:28:26,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:28:26,723 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-06 19:28:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:26,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 28 conjunts are in the unsatisfiable core [2021-12-06 19:28:26,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:28:26,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-06 19:28:26,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:28:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:26,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 19:28:26,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:26,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:28:26,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-12-06 19:28:26,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 19:28:26,949 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) Result 29 states and 36 transitions. Complement of second has 10 states. [2021-12-06 19:28:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 19:28:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-12-06 19:28:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2021-12-06 19:28:26,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 19:28:26,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:26,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-06 19:28:26,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:26,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-06 19:28:26,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:26,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-12-06 19:28:26,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:26,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 21 states and 25 transitions. [2021-12-06 19:28:26,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-06 19:28:26,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-06 19:28:26,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-06 19:28:26,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:26,952 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-06 19:28:26,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-06 19:28:26,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2021-12-06 19:28:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 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) [2021-12-06 19:28:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-12-06 19:28:26,954 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-12-06 19:28:26,954 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-12-06 19:28:26,954 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:28:26,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2021-12-06 19:28:26,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:26,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:26,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:26,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:26,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:28:26,955 INFO L791 eck$LassoCheckResult]: Stem: 392#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 393#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 399#L532 assume !(main_~length~0#1 < 1); 394#L532-2 assume !(main_~n~0#1 < 1); 390#L535-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 391#L541-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 404#L541-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 405#L541-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 400#L541-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 401#L516 assume 0 != cstrncpy_~n#1 % 4294967296;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 407#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 402#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 403#L519-1 [2021-12-06 19:28:26,955 INFO L793 eck$LassoCheckResult]: Loop: 403#L519-1 cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 397#L519-2 assume !!(0 != cstrncpy_#t~pre2#1 % 4294967296);havoc cstrncpy_#t~pre2#1; 398#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 406#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 403#L519-1 [2021-12-06 19:28:26,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:26,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1351080802, now seen corresponding path program 1 times [2021-12-06 19:28:26,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:26,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751458050] [2021-12-06 19:28:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:26,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:26,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:26,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:26,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:26,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2651608, now seen corresponding path program 2 times [2021-12-06 19:28:26,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:26,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315456578] [2021-12-06 19:28:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:26,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:26,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:26,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:26,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash -928925511, now seen corresponding path program 1 times [2021-12-06 19:28:26,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:26,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414600287] [2021-12-06 19:28:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:26,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:27,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:28:27,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414600287] [2021-12-06 19:28:27,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414600287] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:28:27,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895183792] [2021-12-06 19:28:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:27,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:28:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:27,151 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:28:27,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-12-06 19:28:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:27,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 57 conjunts are in the unsatisfiable core [2021-12-06 19:28:27,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:27,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:28:27,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 19:28:27,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-12-06 19:28:27,415 INFO L354 Elim1Store]: treesize reduction 8, result has 27.3 percent of original size [2021-12-06 19:28:27,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 19:28:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:27,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:28:27,446 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_122 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstrncpy_~d~0#1.base| v_ArrVal_122) |c_ULTIMATE.start_cstrncpy_~s~0#1.base|) (+ |c_ULTIMATE.start_cstrncpy_~s~0#1.offset| 1)) 0)) is different from false [2021-12-06 19:28:27,453 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_122 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_cstrncpy_~dst#1.base| v_ArrVal_122) |c_ULTIMATE.start_cstrncpy_~src#1.base|) (+ |c_ULTIMATE.start_cstrncpy_~src#1.offset| 1)) 0)) is different from false [2021-12-06 19:28:27,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:28:27,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2021-12-06 19:28:27,467 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:28:27,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-12-06 19:28:27,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:28:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-12-06 19:28:27,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895183792] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:28:27,581 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:28:27,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2021-12-06 19:28:27,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25772607] [2021-12-06 19:28:27,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:28:27,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:28:27,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 19:28:27,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=320, Unknown=2, NotChecked=74, Total=462 [2021-12-06 19:28:27,683 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 22 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 22 states have internal predecessors, (37), 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) [2021-12-06 19:28:27,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:28:27,850 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-12-06 19:28:27,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:28:27,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2021-12-06 19:28:27,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:27,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 34 transitions. [2021-12-06 19:28:27,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-06 19:28:27,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 19:28:27,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 34 transitions. [2021-12-06 19:28:27,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:27,852 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-06 19:28:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 34 transitions. [2021-12-06 19:28:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-12-06 19:28:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 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) [2021-12-06 19:28:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-12-06 19:28:27,854 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-06 19:28:27,854 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-06 19:28:27,854 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:28:27,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-12-06 19:28:27,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 19:28:27,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:27,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:27,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:27,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:28:27,856 INFO L791 eck$LassoCheckResult]: Stem: 567#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 568#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 574#L532 assume !(main_~length~0#1 < 1); 569#L532-2 assume !(main_~n~0#1 < 1); 565#L535-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 566#L541-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 579#L541-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 592#L541-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 581#L541-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 580#L541-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 575#L541-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 576#L516 assume 0 != cstrncpy_~n#1 % 4294967296;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 583#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 577#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 578#L519-1 [2021-12-06 19:28:27,856 INFO L793 eck$LassoCheckResult]: Loop: 578#L519-1 cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 572#L519-2 assume !!(0 != cstrncpy_#t~pre2#1 % 4294967296);havoc cstrncpy_#t~pre2#1; 573#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 582#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 578#L519-1 [2021-12-06 19:28:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:27,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1336336448, now seen corresponding path program 2 times [2021-12-06 19:28:27,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:27,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329777844] [2021-12-06 19:28:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:27,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,868 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2651608, now seen corresponding path program 3 times [2021-12-06 19:28:27,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:27,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010708335] [2021-12-06 19:28:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:27,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:27,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:27,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1688363497, now seen corresponding path program 2 times [2021-12-06 19:28:27,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:27,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678399949] [2021-12-06 19:28:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:27,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:27,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:28,847 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:28:28,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:28:28,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:28:28,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:28:28,847 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:28:28,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:28,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:28:28,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:28:28,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration5_Lasso [2021-12-06 19:28:28,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:28:28,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:28:28,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:28,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:29,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:29,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:29,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:28:29,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:28:29,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,776 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:28:29,777 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 [2021-12-06 19:28:29,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:29,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:29,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 19:28:29,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,806 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:28:29,807 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 [2021-12-06 19:28:29,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:29,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,834 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 19:28:29,835 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 [2021-12-06 19:28:29,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 19:28:29,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,863 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 19:28:29,865 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 [2021-12-06 19:28:29,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 19:28:29,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,893 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 19:28:29,894 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 [2021-12-06 19:28:29,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 19:28:29,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,922 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 19:28:29,924 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 [2021-12-06 19:28:29,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 19:28:29,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,951 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 19:28:29,953 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 [2021-12-06 19:28:29,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:29,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:29,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:29,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 19:28:29,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:29,983 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:29,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 19:28:29,984 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 [2021-12-06 19:28:29,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:29,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:29,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:29,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:29,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:29,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:29,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:29,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 19:28:30,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,011 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 19:28:30,013 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 [2021-12-06 19:28:30,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 19:28:30,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,039 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 19:28:30,041 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 [2021-12-06 19:28:30,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 19:28:30,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,068 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 19:28:30,069 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 [2021-12-06 19:28:30,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 19:28:30,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,097 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 19:28:30,099 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 [2021-12-06 19:28:30,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 19:28:30,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,127 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 19:28:30,129 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 [2021-12-06 19:28:30,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:30,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,156 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 19:28:30,158 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 [2021-12-06 19:28:30,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:30,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:30,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 19:28:30,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,187 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 19:28:30,189 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 [2021-12-06 19:28:30,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 19:28:30,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,216 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 19:28:30,217 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 [2021-12-06 19:28:30,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:30,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,244 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 19:28:30,246 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 [2021-12-06 19:28:30,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:30,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:30,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:30,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,288 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 19:28:30,289 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 [2021-12-06 19:28:30,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 19:28:30,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,317 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 19:28:30,318 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 [2021-12-06 19:28:30,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:30,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,345 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 19:28:30,347 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 [2021-12-06 19:28:30,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:30,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,375 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 19:28:30,376 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 [2021-12-06 19:28:30,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:30,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:30,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:30,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 19:28:30,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,404 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 19:28:30,406 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 [2021-12-06 19:28:30,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,414 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 19:28:30,415 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 19:28:30,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,421 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-12-06 19:28:30,421 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 19:28:30,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 19:28:30,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,462 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 19:28:30,464 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 [2021-12-06 19:28:30,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:30,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:30,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:30,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 19:28:30,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,495 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 19:28:30,496 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 [2021-12-06 19:28:30,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:30,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:30,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:30,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:30,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:30,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:30,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:28:30,562 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-06 19:28:30,562 INFO L444 ModelExtractionUtils]: 40 out of 52 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-06 19:28:30,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:30,564 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:30,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 19:28:30,565 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:28:30,573 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:28:30,573 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:28:30,573 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_cstrncpy_~d~0#1.base)_2) = -1*ULTIMATE.start_cstrncpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrncpy_~d~0#1.base)_2 Supporting invariants [] [2021-12-06 19:28:30,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 19:28:30,662 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-12-06 19:28:30,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:30,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 19:28:30,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:30,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 19:28:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:30,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 19:28:30,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:30,791 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:28:30,791 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-12-06 19:28:30,848 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 39 states and 46 transitions. Complement of second has 9 states. [2021-12-06 19:28:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 19:28:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-12-06 19:28:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2021-12-06 19:28:30,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-06 19:28:30,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:30,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-06 19:28:30,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:30,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 14 letters. Loop has 8 letters. [2021-12-06 19:28:30,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:30,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 46 transitions. [2021-12-06 19:28:30,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:28:30,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 36 transitions. [2021-12-06 19:28:30,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-06 19:28:30,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:28:30,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2021-12-06 19:28:30,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:30,852 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-12-06 19:28:30,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2021-12-06 19:28:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-06 19:28:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 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) [2021-12-06 19:28:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-12-06 19:28:30,853 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-06 19:28:30,853 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-06 19:28:30,853 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 19:28:30,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2021-12-06 19:28:30,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:28:30,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:28:30,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:28:30,854 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:30,854 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:28:30,855 INFO L791 eck$LassoCheckResult]: Stem: 813#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 814#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 822#L532 assume !(main_~length~0#1 < 1); 815#L532-2 assume !(main_~n~0#1 < 1); 811#L535-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 812#L541-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 828#L541-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 829#L541-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 823#L541-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 824#L516 assume 0 != cstrncpy_~n#1 % 4294967296;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 831#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 836#L520 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 834#L519-1 cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 818#L519-2 assume !!(0 != cstrncpy_#t~pre2#1 % 4294967296);havoc cstrncpy_#t~pre2#1; 819#L519-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 825#L520 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 816#L521-3 [2021-12-06 19:28:30,855 INFO L793 eck$LassoCheckResult]: Loop: 816#L521-3 cstrncpy_#t~pre6#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 817#L521-1 assume !!(0 != cstrncpy_#t~pre6#1 % 4294967296);havoc cstrncpy_#t~pre6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 816#L521-3 [2021-12-06 19:28:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:30,855 INFO L85 PathProgramCache]: Analyzing trace with hash -928925526, now seen corresponding path program 1 times [2021-12-06 19:28:30,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:30,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408532348] [2021-12-06 19:28:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:30,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,867 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:30,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 2 times [2021-12-06 19:28:30,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:30,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445193559] [2021-12-06 19:28:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:30,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,887 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 655768495, now seen corresponding path program 1 times [2021-12-06 19:28:30,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:30,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721545342] [2021-12-06 19:28:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:30,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:28:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:28:30,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:28:32,687 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:28:32,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:28:32,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:28:32,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:28:32,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:28:32,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:32,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:28:32,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:28:32,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration6_Lasso [2021-12-06 19:28:32,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:28:32,687 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:28:32,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:32,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:32,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:28:33,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:28:33,621 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:28:33,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,622 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 19:28:33,623 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 [2021-12-06 19:28:33,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 19:28:33,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,652 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 19:28:33,653 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 [2021-12-06 19:28:33,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:28:33,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:28:33,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:28:33,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 19:28:33,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,679 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 19:28:33,681 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 [2021-12-06 19:28:33,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 19:28:33,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,710 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 19:28:33,712 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 [2021-12-06 19:28:33,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:33,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,741 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 19:28:33,742 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 [2021-12-06 19:28:33,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 19:28:33,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,772 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 19:28:33,774 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 [2021-12-06 19:28:33,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 19:28:33,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,805 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 19:28:33,806 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 [2021-12-06 19:28:33,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 19:28:33,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,839 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 19:28:33,840 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 [2021-12-06 19:28:33,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 19:28:33,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,871 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 19:28:33,872 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 [2021-12-06 19:28:33,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 19:28:33,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,911 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 19:28:33,912 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 [2021-12-06 19:28:33,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,920 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 19:28:33,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,921 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-06 19:28:33,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-06 19:28:33,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,944 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 19:28:33,945 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 [2021-12-06 19:28:33,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:33,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:28:33,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 19:28:33,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:33,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:33,975 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:33,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 19:28:33,976 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 [2021-12-06 19:28:33,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:28:33,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:28:33,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:28:33,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:28:33,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:28:33,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:28:34,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:28:34,064 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-06 19:28:34,064 INFO L444 ModelExtractionUtils]: 11 out of 52 variables were initially zero. Simplification set additionally 38 variables to zero. [2021-12-06 19:28:34,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:28:34,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:28:34,065 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:28:34,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 19:28:34,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:28:34,074 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:28:34,074 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:28:34,074 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_4) = -1*ULTIMATE.start_cstrncpy_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_4 Supporting invariants [] [2021-12-06 19:28:34,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 19:28:34,134 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2021-12-06 19:28:34,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:34,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:28:34,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:34,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:28:34,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:28:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:28:34,215 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-12-06 19:28:34,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-12-06 19:28:34,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) Result 31 states and 37 transitions. Complement of second has 7 states. [2021-12-06 19:28:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 19:28:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-12-06 19:28:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-12-06 19:28:34,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 19:28:34,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:34,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 19:28:34,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:34,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 19:28:34,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:28:34,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2021-12-06 19:28:34,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:28:34,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2021-12-06 19:28:34,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:28:34,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:28:34,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:28:34,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:28:34,254 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:28:34,254 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:28:34,254 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:28:34,254 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 19:28:34,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:28:34,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:28:34,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:28:34,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:28:34 BoogieIcfgContainer [2021-12-06 19:28:34,259 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:28:34,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:28:34,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:28:34,259 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:28:34,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:28:22" (3/4) ... [2021-12-06 19:28:34,261 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:28:34,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:28:34,262 INFO L158 Benchmark]: Toolchain (without parser) took 12225.96ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 48.7MB in the end (delta: 28.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,262 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:28:34,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.43ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 83.3MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.71ms. Allocated memory is still 113.2MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,263 INFO L158 Benchmark]: Boogie Preprocessor took 24.01ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,263 INFO L158 Benchmark]: RCFGBuilder took 238.50ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 68.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,263 INFO L158 Benchmark]: BuchiAutomizer took 11652.71ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 48.7MB in the end (delta: 19.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-12-06 19:28:34,264 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 142.6MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:28:34,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.43ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 83.3MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.71ms. Allocated memory is still 113.2MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.01ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.50ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 68.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11652.71ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 68.6MB in the beginning and 48.7MB in the end (delta: 19.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 142.6MB. Free memory is still 48.7MB. 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 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function n and consists of 8 locations. One deterministic module has affine ranking function unknown-#length-unknown[d] + -1 * s and consists of 7 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 10.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 5. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 59 IncrementalHoareTripleChecker+Unchecked, 305 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 81 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital282 mio100 ax107 hnf99 lsp89 ukn75 mio100 lsp50 div157 bol100 ite100 ukn100 eq173 hnf75 smp93 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2021-12-06 19:28:34,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 19:28:34,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2021-12-06 19:28:34,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f3f0fb-70eb-42a4-89aa-6a76f7748430/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