./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/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_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:04:37,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:04:37,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:04:37,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:04:37,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:04:37,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:04:37,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:04:37,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:04:37,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:04:37,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:04:37,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:04:37,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:04:37,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:04:37,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:04:37,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:04:37,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:04:37,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:04:37,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:04:37,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:04:37,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:04:37,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:04:37,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:04:37,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:04:37,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:04:37,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:04:37,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:04:37,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:04:37,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:04:37,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:04:37,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:04:37,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:04:37,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:04:37,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:04:37,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:04:37,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:04:37,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:04:37,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:04:37,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:04:37,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:04:37,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:04:37,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:04:37,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:04:37,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:04:37,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:04:37,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:04:37,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:04:37,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:04:37,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:04:37,418 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:04:37,418 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:04:37,418 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:04:37,418 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:04:37,418 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:04:37,419 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:04:37,419 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:04:37,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:04:37,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:04:37,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:04:37,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:04:37,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:04:37,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:04:37,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:04:37,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:04:37,426 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:04:37,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:04:37,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:04:37,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:04:37,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:04:37,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:04:37,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:04:37,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:04:37,428 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:04:37,428 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_8925d995-2ddf-49de-a429-0417780c3a63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2021-12-06 23:04:37,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:04:37,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:04:37,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:04:37,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:04:37,645 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:04:37,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-12-06 23:04:37,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/data/44cfdc2c2/0ef10f6d55b6435e839309ec2a1a8ed1/FLAGf3cb60afd [2021-12-06 23:04:38,132 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:04:38,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-12-06 23:04:38,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/data/44cfdc2c2/0ef10f6d55b6435e839309ec2a1a8ed1/FLAGf3cb60afd [2021-12-06 23:04:38,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/data/44cfdc2c2/0ef10f6d55b6435e839309ec2a1a8ed1 [2021-12-06 23:04:38,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:04:38,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:04:38,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:04:38,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:04:38,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:04:38,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a18b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38, skipping insertion in model container [2021-12-06 23:04:38,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:04:38,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:04:38,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:04:38,438 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:04:38,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:04:38,505 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:04:38,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38 WrapperNode [2021-12-06 23:04:38,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:04:38,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:04:38,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:04:38,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:04:38,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,549 INFO L137 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-12-06 23:04:38,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:04:38,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:04:38,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:04:38,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:04:38,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:04:38,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:04:38,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:04:38,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:04:38,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (1/1) ... [2021-12-06 23:04:38,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:38,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:38,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:04:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:04:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:04:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:04:38,728 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:04:38,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:04:38,885 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:04:38,892 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:04:38,892 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:04:38,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:38 BoogieIcfgContainer [2021-12-06 23:04:38,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:04:38,895 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:04:38,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:04:38,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:04:38,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:04:38,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:04:38" (1/3) ... [2021-12-06 23:04:38,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@400de9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:04:38, skipping insertion in model container [2021-12-06 23:04:38,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:04:38,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:38" (2/3) ... [2021-12-06 23:04:38,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@400de9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:04:38, skipping insertion in model container [2021-12-06 23:04:38,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:04:38,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:38" (3/3) ... [2021-12-06 23:04:38,904 INFO L388 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-12-06 23:04:38,952 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:04:38,952 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:04:38,953 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:04:38,953 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:04:38,953 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:04:38,953 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:04:38,953 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:04:38,954 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:04:38,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 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 23:04:38,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 23:04:38,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:04:38,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:04:38,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 23:04:38,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 23:04:38,994 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:04:38,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 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 23:04:38,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 23:04:38,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:04:38,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:04:38,997 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 23:04:38,998 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 23:04:39,005 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 11#L530true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5#L534true assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 16#L514true assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 21#L514-2true assume strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 9#L515-4true [2021-12-06 23:04:39,005 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset := strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_#t~post5#1.base, 1 + strlcpy_#t~post5#1.offset;strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post6#1.base, 1 + strlcpy_#t~post6#1.offset;call strlcpy_#t~mem7#1 := read~int(strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, 1);call write~int(strlcpy_#t~mem7#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7#1);havoc strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset;havoc strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset;havoc strlcpy_#t~mem7#1; 6#L515-1true strlcpy_#t~pre4#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4#1 % 18446744073709551616);havoc strlcpy_#t~pre4#1; 9#L515-4true [2021-12-06 23:04:39,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:39,012 INFO L85 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-12-06 23:04:39,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:39,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813113041] [2021-12-06 23:04:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:39,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:39,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-12-06 23:04:39,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:39,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653459759] [2021-12-06 23:04:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:39,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,263 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:39,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:39,265 INFO L85 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-12-06 23:04:39,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:39,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373783395] [2021-12-06 23:04:39,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:39,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,314 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:39,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:40,282 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:04:40,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:04:40,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:04:40,282 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:04:40,283 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:04:40,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:40,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:04:40,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:04:40,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-12-06 23:04:40,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:04:40,283 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:04:40,300 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 23:04:40,305 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 23:04:40,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:04:40,309 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 23:04:40,658 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 23:04:40,660 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 23:04:40,663 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 23:04:40,664 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 23:04:40,666 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 23:04:40,667 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 23:04:40,669 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 23:04:40,670 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 23:04:40,672 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 23:04:40,673 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 23:04:40,674 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 23:04:40,677 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 23:04:40,679 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 23:04:40,681 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 23:04:40,682 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 23:04:41,251 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:04:41,254 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:04:41,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:04:41,258 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 23:04:41,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:41,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:41,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:41,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:41,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:41,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:41,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:41,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:41,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:04:41,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:04:41,295 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 23:04:41,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:41,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:41,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:41,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:41,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:41,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:41,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:41,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:04:41,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:04:41,330 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 23:04:41,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:41,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:41,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:41,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:41,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:41,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:41,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:41,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:41,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:04:41,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:04:41,369 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 23:04:41,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:41,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:41,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:41,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:41,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:41,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:04:41,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:04:41,429 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 23:04:41,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:41,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:41,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:41,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:41,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:41,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:41,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:04:41,492 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 23:04:41,492 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-12-06 23:04:41,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:41,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:41,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:04:41,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:04:41,538 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:04:41,538 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:04:41,539 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1) = -1*ULTIMATE.start_strlcpy_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 Supporting invariants [] [2021-12-06 23:04:41,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:04:41,627 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-06 23:04:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:41,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:04:41,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:41,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 23:04:41,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:41,791 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 23:04:41,823 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 23:04:41,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:41,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 71 transitions. Complement of second has 8 states. [2021-12-06 23:04:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:04:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-12-06 23:04:41,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-06 23:04:41,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:41,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-06 23:04:41,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:41,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-06 23:04:41,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:41,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-12-06 23:04:41,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 23:04:41,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-12-06 23:04:41,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-06 23:04:41,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-06 23:04:41,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-12-06 23:04:41,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:04:41,928 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-06 23:04:41,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-12-06 23:04:41,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-12-06 23:04:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 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 23:04:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-12-06 23:04:41,953 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-06 23:04:41,953 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-06 23:04:41,953 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:04:41,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-12-06 23:04:41,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:04:41,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:04:41,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:04:41,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:04:41,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:04:41,955 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 196#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 188#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 189#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 202#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 194#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 199#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 200#L523-2 [2021-12-06 23:04:41,955 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 200#L523-2 [2021-12-06 23:04:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-12-06 23:04:41,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:41,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634988371] [2021-12-06 23:04:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:41,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:42,052 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 23:04:42,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:04:42,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634988371] [2021-12-06 23:04:42,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634988371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:04:42,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:04:42,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:04:42,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989653607] [2021-12-06 23:04:42,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:04:42,056 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:04:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-12-06 23:04:42,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:42,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805755079] [2021-12-06 23:04:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:42,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,066 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:42,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:04:42,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:04:42,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:04:42,099 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:42,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:04:42,148 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-12-06 23:04:42,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:04:42,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2021-12-06 23:04:42,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-06 23:04:42,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2021-12-06 23:04:42,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 23:04:42,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 23:04:42,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-12-06 23:04:42,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:04:42,153 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-12-06 23:04:42,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-12-06 23:04:42,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-12-06 23:04:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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 23:04:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-06 23:04:42,156 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-06 23:04:42,156 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-06 23:04:42,156 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:04:42,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-06 23:04:42,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:04:42,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:04:42,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:04:42,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:04:42,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:04:42,158 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 251#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 243#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 244#L514 assume !strlcpy_#t~short3#1; 257#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 260#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 259#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 255#L523-2 [2021-12-06 23:04:42,158 INFO L793 eck$LassoCheckResult]: Loop: 255#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 256#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 255#L523-2 [2021-12-06 23:04:42,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:42,159 INFO L85 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-12-06 23:04:42,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:42,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117566292] [2021-12-06 23:04:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:42,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,169 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:42,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-12-06 23:04:42,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:42,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081328722] [2021-12-06 23:04:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:42,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,183 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:42,186 INFO L85 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-12-06 23:04:42,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:42,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325399026] [2021-12-06 23:04:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:42,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:42,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:42,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-06 23:04:42,697 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:04:42,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:04:42,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:04:42,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:04:42,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:04:42,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:42,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:04:42,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:04:42,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-12-06 23:04:42,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:04:42,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:04:42,702 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 23:04:42,703 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 23:04:42,705 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 23:04:42,706 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 23:04:42,707 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 23:04:42,708 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 23:04:42,709 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 23:04:42,711 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 23:04:42,712 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 23:04:42,713 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 23:04:42,714 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 23:04:42,887 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 23:04:42,889 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 23:04:42,890 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 23:04:42,891 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 23:04:42,892 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 23:04:42,892 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 23:04:42,894 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 23:04:42,895 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 23:04:43,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:04:43,174 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:04:43,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:04:43,178 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 23:04:43,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 23:04:43,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,215 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:04:43,216 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 23:04:43,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:04:43,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,244 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:04:43,245 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 23:04:43,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:43,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:43,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:04:43,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,289 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:04:43,291 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 23:04:43,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 23:04:43,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,320 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:04:43,321 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 23:04:43,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:04:43,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,349 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:04:43,350 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 23:04:43,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 23:04:43,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,378 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:04:43,379 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 23:04:43,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 23:04:43,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:04:43,418 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 23:04:43,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:43,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:43,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 23:04:43,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,448 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:04:43,450 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 23:04:43,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 23:04:43,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,478 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:04:43,479 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 23:04:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:43,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 23:04:43,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,506 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 23:04:43,507 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 23:04:43,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:43,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,514 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 23:04:43,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,515 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:04:43,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:43,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 23:04:43,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,536 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 23:04:43,537 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 23:04:43,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:43,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:43,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 23:04:43,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,586 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 23:04:43,588 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 23:04:43,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:43,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:43,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:43,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 23:04:43,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,619 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 23:04:43,620 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 23:04:43,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:43,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:43,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:43,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:43,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:43,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:43,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:04:43,686 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-06 23:04:43,686 INFO L444 ModelExtractionUtils]: 9 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-12-06 23:04:43,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:43,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:43,687 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:43,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 23:04:43,688 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:04:43,698 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:04:43,698 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:04:43,698 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_strlcpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2021-12-06 23:04:43,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 23:04:43,742 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-12-06 23:04:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:43,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 23:04:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:43,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:04:43,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:43,812 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 23:04:43,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:43,835 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 23:04:43,835 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 23:04:43,835 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:43,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 5 states. [2021-12-06 23:04:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:04:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-12-06 23:04:43,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 23:04:43,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:43,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 23:04:43,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:43,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-06 23:04:43,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:43,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-12-06 23:04:43,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:04:43,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-12-06 23:04:43,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-06 23:04:43,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-06 23:04:43,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-06 23:04:43,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:04:43,864 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 23:04:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-06 23:04:43,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-12-06 23:04:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 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 23:04:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-06 23:04:43,866 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-06 23:04:43,866 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-06 23:04:43,866 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:04:43,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-06 23:04:43,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:04:43,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:04:43,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:04:43,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:04:43,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:04:43,868 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 380#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 376#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 377#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 386#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 378#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 383#L521 assume 0 != strlcpy_~siz#1 % 18446744073709551616;call write~int(0, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, 1); 384#L523-2 [2021-12-06 23:04:43,868 INFO L793 eck$LassoCheckResult]: Loop: 384#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 385#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 384#L523-2 [2021-12-06 23:04:43,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-12-06 23:04:43,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:43,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745823623] [2021-12-06 23:04:43,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:43,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,885 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:43,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:43,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-12-06 23:04:43,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:43,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612116097] [2021-12-06 23:04:43,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:43,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,913 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:43,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-12-06 23:04:43,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:43,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849092323] [2021-12-06 23:04:43,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:43,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:04:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,932 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:04:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:04:43,951 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:04:44,598 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:04:44,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:04:44,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:04:44,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:04:44,599 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:04:44,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:44,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:04:44,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:04:44,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-12-06 23:04:44,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:04:44,599 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:04:44,601 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 23:04:44,602 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 23:04:44,603 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 23:04:44,604 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 23:04:44,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:04:44,808 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 23:04:44,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:04:44,810 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 23:04:44,811 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 23:04:44,812 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 23:04:44,813 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 23:04:44,814 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 23:04:44,815 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 23:04:44,816 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 23:04:44,817 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 23:04:44,818 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 23:04:44,819 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 23:04:44,820 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 23:04:44,821 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 23:04:45,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:04:45,133 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:04:45,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 23:04:45,147 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 23:04:45,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:45,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:45,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:45,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:45,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:45,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:45,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:45,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:45,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 23:04:45,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,175 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 23:04:45,176 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 23:04:45,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:45,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:45,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:45,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:45,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:45,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:45,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:45,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 23:04:45,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,205 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 23:04:45,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:04:45,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:45,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:45,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:45,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:45,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:45,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:45,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:45,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:45,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 23:04:45,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,233 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 23:04:45,234 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 23:04:45,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:45,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:04:45,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:45,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:45,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:45,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:04:45,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:04:45,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:04:45,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 23:04:45,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,271 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 23:04:45,272 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 23:04:45,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:04:45,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:04:45,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:04:45,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:04:45,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:04:45,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:04:45,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:04:45,323 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-06 23:04:45,324 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-12-06 23:04:45,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:04:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:45,325 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:45,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 23:04:45,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:04:45,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:04:45,333 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:04:45,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_strlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0#1.offset Supporting invariants [] [2021-12-06 23:04:45,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 23:04:45,373 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-12-06 23:04:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:45,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:04:45,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:45,424 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 23:04:45,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:45,442 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 23:04:45,443 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 23:04:45,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:45,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 5 states. [2021-12-06 23:04:45,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:04:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:04:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-12-06 23:04:45,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 23:04:45,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:45,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 23:04:45,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:45,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-06 23:04:45,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:04:45,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-12-06 23:04:45,466 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:04:45,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-06 23:04:45,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:04:45,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:04:45,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:04:45,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:04:45,467 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:04:45,467 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:04:45,467 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:04:45,467 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 23:04:45,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:04:45,467 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:04:45,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:04:45,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:04:45 BoogieIcfgContainer [2021-12-06 23:04:45,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:04:45,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:04:45,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:04:45,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:04:45,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:38" (3/4) ... [2021-12-06 23:04:45,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:04:45,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:04:45,479 INFO L158 Benchmark]: Toolchain (without parser) took 7322.85ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 152.5MB in the beginning and 150.6MB in the end (delta: 1.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-12-06 23:04:45,479 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 88.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:04:45,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.41ms. Allocated memory is still 176.2MB. Free memory was 152.2MB in the beginning and 136.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 23:04:45,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.14ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 135.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:04:45,481 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 133.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:04:45,481 INFO L158 Benchmark]: RCFGBuilder took 317.18ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 122.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:04:45,482 INFO L158 Benchmark]: BuchiAutomizer took 6578.55ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 121.6MB in the beginning and 150.6MB in the end (delta: -29.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-06 23:04:45,482 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 220.2MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:04:45,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 88.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.41ms. Allocated memory is still 176.2MB. Free memory was 152.2MB in the beginning and 136.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.14ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 135.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 133.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.18ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 122.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6578.55ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 121.6MB in the beginning and 150.6MB in the end (delta: -29.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 220.2MB. Free memory is still 150.6MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 79 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax100 hnf100 lsp96 ukn90 mio100 lsp41 div182 bol100 ite100 ukn100 eq174 hnf68 smp95 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 23:04:45,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 23:04:45,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8925d995-2ddf-49de-a429-0417780c3a63/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE