./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:11:20,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:11:20,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:11:20,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:11:20,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:11:20,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:11:20,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:11:20,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:11:20,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:11:20,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:11:20,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:11:20,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:11:20,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:11:20,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:11:20,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:11:20,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:11:20,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:11:20,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:11:20,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:11:20,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:11:20,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:11:20,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:11:20,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:11:20,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:11:20,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:11:20,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:11:20,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:11:20,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:11:20,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:11:20,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:11:20,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:11:20,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:11:20,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:11:20,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:11:20,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:11:20,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:11:20,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:11:20,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:11:20,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:11:20,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:11:20,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:11:20,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:11:20,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:11:20,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:11:20,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:11:20,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:11:20,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:11:20,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:11:20,596 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:11:20,597 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:11:20,597 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:11:20,597 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:11:20,597 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:11:20,597 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:11:20,598 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:11:20,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:11:20,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:11:20,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:11:20,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:11:20,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:11:20,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:11:20,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:11:20,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:11:20,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:11:20,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:11:20,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:11:20,600 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:11:20,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:11:20,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:11:20,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:11:20,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:11:20,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:11:20,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:11:20,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:11:20,602 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:11:20,603 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_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 [2021-10-21 20:11:20,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:11:20,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:11:20,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:11:20,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:11:20,857 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:11:20,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2021-10-21 20:11:20,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/data/c036fdbdb/9afce9b5b6764232b53321c1b8d14c53/FLAG58e37719c [2021-10-21 20:11:21,582 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:11:21,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2021-10-21 20:11:21,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/data/c036fdbdb/9afce9b5b6764232b53321c1b8d14c53/FLAG58e37719c [2021-10-21 20:11:21,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/data/c036fdbdb/9afce9b5b6764232b53321c1b8d14c53 [2021-10-21 20:11:21,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:11:21,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:11:21,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:11:21,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:11:21,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:11:21,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:11:21" (1/1) ... [2021-10-21 20:11:21,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a519a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:21, skipping insertion in model container [2021-10-21 20:11:21,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:11:21" (1/1) ... [2021-10-21 20:11:21,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:11:21,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:11:22,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:11:22,259 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:11:22,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:11:22,366 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:11:22,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22 WrapperNode [2021-10-21 20:11:22,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:11:22,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:11:22,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:11:22,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:11:22,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:11:22,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:11:22,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:11:22,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:11:22,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:11:22,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:11:22,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:11:22,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:11:22,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (1/1) ... [2021-10-21 20:11:22,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:22,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:22,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:11:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:11:22,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:11:22,873 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:11:22,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:11:22 BoogieIcfgContainer [2021-10-21 20:11:22,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:11:22,876 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:11:22,876 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:11:22,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:11:22,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:11:22,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:11:21" (1/3) ... [2021-10-21 20:11:22,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7402f1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:11:22, skipping insertion in model container [2021-10-21 20:11:22,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:11:22,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:11:22" (2/3) ... [2021-10-21 20:11:22,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7402f1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:11:22, skipping insertion in model container [2021-10-21 20:11:22,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:11:22,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:11:22" (3/3) ... [2021-10-21 20:11:22,883 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-2.i [2021-10-21 20:11:22,946 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:11:22,947 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:11:22,947 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:11:22,947 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:11:22,947 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:11:22,948 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:11:22,948 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:11:22,948 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:11:22,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:22,977 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-21 20:11:22,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:22,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:22,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:11:22,984 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:11:22,984 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:11:22,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:22,987 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-21 20:11:22,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:22,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:22,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:11:22,988 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:11:22,994 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L532true assume !(main_~length1~0 < 1); 6#L532-2true assume !(main_~length2~0 < 1); 3#L535-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 19#L541-3true [2021-10-21 20:11:22,995 INFO L793 eck$LassoCheckResult]: Loop: 19#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 24#L541-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 19#L541-3true [2021-10-21 20:11:23,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:23,001 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-21 20:11:23,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:23,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138331705] [2021-10-21 20:11:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:23,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,142 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:23,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-21 20:11:23,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:23,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117261452] [2021-10-21 20:11:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:23,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,226 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:23,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:23,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-21 20:11:23,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:23,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727152624] [2021-10-21 20:11:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:23,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,281 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:23,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:23,719 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:11:23,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:11:23,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:11:23,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:11:23,720 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:11:23,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:23,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:11:23,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:11:23,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration1_Lasso [2021-10-21 20:11:23,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:11:23,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:11:23,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:23,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:24,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:11:24,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:11:24,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:11:24,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:24,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:24,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:24,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 20:11:24,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:11:24,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:24,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:24,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:24,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:24,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:11:24,350 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 [2021-10-21 20:11:24,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:24,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:24,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:24,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:24,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:11:24,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:24,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:24,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:24,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:24,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:24,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:11:24,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:24,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:24,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:11:24,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:24,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:24,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:11:24,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:11:24,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:24,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:24,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:24,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 20:11:24,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:11:24,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:24,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:24,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:24,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:24,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:24,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:24,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:24,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:11:24,761 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 20:11:24,761 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-21 20:11:24,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:24,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:11:24,829 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:11:24,857 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:11:24,857 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:11:24,858 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-21 20:11:24,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:24,929 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-21 20:11:24,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:24,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:11:24,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:25,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:11:25,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:25,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:11:25,070 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:25,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 87 transitions. Complement of second has 7 states. [2021-10-21 20:11:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2021-10-21 20:11:25,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:11:25,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:25,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:11:25,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:25,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-21 20:11:25,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:25,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 87 transitions. [2021-10-21 20:11:25,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-21 20:11:25,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 27 transitions. [2021-10-21 20:11:25,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:11:25,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:11:25,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-21 20:11:25,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:25,147 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:11:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-21 20:11:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 20:11:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-10-21 20:11:25,177 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:11:25,177 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:11:25,178 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:11:25,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-10-21 20:11:25,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-21 20:11:25,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:25,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:25,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:25,179 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:11:25,180 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 166#L532 assume !(main_~length1~0 < 1); 160#L532-2 assume !(main_~length2~0 < 1); 156#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 157#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 167#L541-4 main_~i~1 := 0; 163#L546-3 [2021-10-21 20:11:25,180 INFO L793 eck$LassoCheckResult]: Loop: 163#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 165#L546-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 163#L546-3 [2021-10-21 20:11:25,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-21 20:11:25,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:25,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075081458] [2021-10-21 20:11:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:25,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,203 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:25,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:25,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-21 20:11:25,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:25,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318082033] [2021-10-21 20:11:25,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:25,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,264 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:25,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-21 20:11:25,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:25,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612643655] [2021-10-21 20:11:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:25,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,294 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:25,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:25,645 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:11:25,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:11:25,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:11:25,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:11:25,645 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:11:25,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:25,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:11:25,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:11:25,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration2_Lasso [2021-10-21 20:11:25,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:11:25,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:11:25,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:25,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:11:26,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:11:26,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:11:26,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,205 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:11:26,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,269 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:11:26,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,347 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:11:26,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,413 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:11:26,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,498 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:11:26,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,570 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:11:26,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,638 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:11:26,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,701 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:11:26,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,766 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:26,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:26,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:11:26,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,835 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:11:26,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:26,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,922 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:26,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:26,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:26,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:26,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:26,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:11:26,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:26,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:26,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:26,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 20:11:26,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:26,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:26,996 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:11:26,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:27,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:27,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:27,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:27,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:27,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:27,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:27,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:27,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:27,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:27,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:27,062 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:27,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:27,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:27,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:27,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:27,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:27,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:27,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:27,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:27,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:11:27,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:27,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:27,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:27,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:27,134 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:27,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:27,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:27,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:27,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:27,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:27,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:27,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:27,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:11:27,169 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:11:27,201 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-21 20:11:27,201 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-21 20:11:27,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:27,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:27,204 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:27,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:11:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:11:27,227 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:11:27,227 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:11:27,227 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-10-21 20:11:27,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:27,275 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-21 20:11:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:27,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:11:27,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:27,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:11:27,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:27,352 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:11:27,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:27,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 44 transitions. Complement of second has 6 states. [2021-10-21 20:11:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:11:27,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:11:27,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:27,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-21 20:11:27,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:27,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-21 20:11:27,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:27,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2021-10-21 20:11:27,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:27,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 29 transitions. [2021-10-21 20:11:27,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 20:11:27,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:11:27,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2021-10-21 20:11:27,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:27,385 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:11:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2021-10-21 20:11:27,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-21 20:11:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 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) [2021-10-21 20:11:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2021-10-21 20:11:27,388 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:11:27,388 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:11:27,388 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:11:27,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2021-10-21 20:11:27,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:27,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:27,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:27,390 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:27,390 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:27,390 INFO L791 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 284#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 292#L532 assume !(main_~length1~0 < 1); 285#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 294#L541-4 main_~i~1 := 0; 288#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 289#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 293#L519-4 [2021-10-21 20:11:27,390 INFO L793 eck$LassoCheckResult]: Loop: 293#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 300#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 296#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 301#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 295#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 286#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 287#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 297#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 293#L519-4 [2021-10-21 20:11:27,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:27,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-21 20:11:27,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:27,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79038467] [2021-10-21 20:11:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:27,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:27,422 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:27,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:27,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:27,463 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2021-10-21 20:11:27,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:27,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118063421] [2021-10-21 20:11:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:27,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:27,476 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:27,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:27,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2021-10-21 20:11:27,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:27,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788732892] [2021-10-21 20:11:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:27,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:27,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:27,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788732892] [2021-10-21 20:11:27,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788732892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:27,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:27,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-21 20:11:27,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911541907] [2021-10-21 20:11:27,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:27,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:27,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:11:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:11:27,977 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:28,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:28,248 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2021-10-21 20:11:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:11:28,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 66 transitions. [2021-10-21 20:11:28,251 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-21 20:11:28,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 48 states and 64 transitions. [2021-10-21 20:11:28,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-21 20:11:28,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-21 20:11:28,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 64 transitions. [2021-10-21 20:11:28,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:28,255 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 64 transitions. [2021-10-21 20:11:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 64 transitions. [2021-10-21 20:11:28,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2021-10-21 20:11:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2021-10-21 20:11:28,260 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-21 20:11:28,260 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-21 20:11:28,260 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:11:28,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2021-10-21 20:11:28,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 20:11:28,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:28,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:28,262 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:28,262 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:11:28,262 INFO L791 eck$LassoCheckResult]: Stem: 385#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 386#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 394#L532 assume !(main_~length1~0 < 1); 387#L532-2 assume !(main_~length2~0 < 1); 383#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 384#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 395#L541-4 main_~i~1 := 0; 390#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 391#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 413#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 412#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 399#L522-5 [2021-10-21 20:11:28,263 INFO L793 eck$LassoCheckResult]: Loop: 399#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 410#L522-1 assume !cstrpbrk_#t~short7; 411#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 399#L522-5 [2021-10-21 20:11:28,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2087759941, now seen corresponding path program 1 times [2021-10-21 20:11:28,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261463981] [2021-10-21 20:11:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:28,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:28,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261463981] [2021-10-21 20:11:28,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261463981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:28,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:28,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:11:28,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413902955] [2021-10-21 20:11:28,402 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:11:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,402 INFO L82 PathProgramCache]: Analyzing trace with hash 86558, now seen corresponding path program 1 times [2021-10-21 20:11:28,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107741129] [2021-10-21 20:11:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:28,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:28,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107741129] [2021-10-21 20:11:28,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107741129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:28,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:28,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:11:28,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845191850] [2021-10-21 20:11:28,426 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:11:28,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:28,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:11:28,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:11:28,427 INFO L87 Difference]: Start difference. First operand 32 states and 44 transitions. cyclomatic complexity: 17 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:28,440 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2021-10-21 20:11:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:11:28,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2021-10-21 20:11:28,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 20:11:28,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 44 transitions. [2021-10-21 20:11:28,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-21 20:11:28,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-10-21 20:11:28,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-10-21 20:11:28,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:28,451 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-21 20:11:28,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-10-21 20:11:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-10-21 20:11:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-10-21 20:11:28,458 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 20:11:28,458 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 20:11:28,458 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:11:28,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-10-21 20:11:28,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 20:11:28,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:28,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:28,459 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:28,460 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:11:28,461 INFO L791 eck$LassoCheckResult]: Stem: 461#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 462#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 470#L532 assume !(main_~length1~0 < 1); 463#L532-2 assume !(main_~length2~0 < 1); 459#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 460#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 476#L541-4 main_~i~1 := 0; 488#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 487#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 486#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 485#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 474#L522-5 [2021-10-21 20:11:28,461 INFO L793 eck$LassoCheckResult]: Loop: 474#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 484#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 473#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 474#L522-5 [2021-10-21 20:11:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2087759941, now seen corresponding path program 2 times [2021-10-21 20:11:28,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277791447] [2021-10-21 20:11:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:28,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:28,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277791447] [2021-10-21 20:11:28,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277791447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:28,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:28,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:11:28,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551824329] [2021-10-21 20:11:28,629 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:11:28,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,630 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2021-10-21 20:11:28,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537103075] [2021-10-21 20:11:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:28,639 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:28,659 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:28,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:11:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:11:28,776 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 16 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:28,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:28,841 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-21 20:11:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:11:28,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-10-21 20:11:28,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-10-21 20:11:28,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 23 states and 30 transitions. [2021-10-21 20:11:28,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 20:11:28,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:11:28,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-10-21 20:11:28,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:28,845 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-21 20:11:28,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-10-21 20:11:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-21 20:11:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 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) [2021-10-21 20:11:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2021-10-21 20:11:28,850 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-21 20:11:28,850 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-21 20:11:28,850 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:11:28,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2021-10-21 20:11:28,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-10-21 20:11:28,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:28,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:28,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:28,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:28,854 INFO L791 eck$LassoCheckResult]: Stem: 537#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 538#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 546#L532 assume !(main_~length1~0 < 1); 539#L532-2 assume !(main_~length2~0 < 1); 535#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 536#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 551#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 552#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 547#L541-4 main_~i~1 := 0; 542#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 543#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 548#L519-4 [2021-10-21 20:11:28,854 INFO L793 eck$LassoCheckResult]: Loop: 548#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 553#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 556#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 554#L522-1 assume !cstrpbrk_#t~short7; 549#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 540#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 541#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 550#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 548#L519-4 [2021-10-21 20:11:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-21 20:11:28,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496403303] [2021-10-21 20:11:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:28,876 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:28,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:28,903 INFO L82 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2021-10-21 20:11:28,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:28,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817703111] [2021-10-21 20:11:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:28,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:28,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:28,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817703111] [2021-10-21 20:11:28,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817703111] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:28,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:28,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:11:28,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604614121] [2021-10-21 20:11:28,964 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:11:28,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:11:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:11:28,967 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:29,034 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2021-10-21 20:11:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:11:29,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2021-10-21 20:11:29,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:29,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 29 transitions. [2021-10-21 20:11:29,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 20:11:29,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 20:11:29,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-10-21 20:11:29,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:29,040 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-21 20:11:29,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-10-21 20:11:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-10-21 20:11:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-10-21 20:11:29,048 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-21 20:11:29,048 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-21 20:11:29,048 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:11:29,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2021-10-21 20:11:29,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:29,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:29,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:29,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:29,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:29,050 INFO L791 eck$LassoCheckResult]: Stem: 603#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 604#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 612#L532 assume !(main_~length1~0 < 1); 605#L532-2 assume !(main_~length2~0 < 1); 601#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 602#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 618#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 619#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 614#L541-4 main_~i~1 := 0; 608#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 609#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 613#L519-4 [2021-10-21 20:11:29,050 INFO L793 eck$LassoCheckResult]: Loop: 613#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 620#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 616#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 621#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 615#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 606#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 607#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 617#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 613#L519-4 [2021-10-21 20:11:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 2 times [2021-10-21 20:11:29,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547882708] [2021-10-21 20:11:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,074 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,085 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:29,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,086 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2021-10-21 20:11:29,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72422338] [2021-10-21 20:11:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,092 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:29,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,099 INFO L82 PathProgramCache]: Analyzing trace with hash -164170776, now seen corresponding path program 1 times [2021-10-21 20:11:29,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762010176] [2021-10-21 20:11:29,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:11:29,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:29,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762010176] [2021-10-21 20:11:29,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762010176] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:29,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:11:29,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-21 20:11:29,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451309700] [2021-10-21 20:11:29,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:29,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:11:29,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:11:29,477 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:29,623 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-10-21 20:11:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:11:29,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2021-10-21 20:11:29,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2021-10-21 20:11:29,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 34 states and 41 transitions. [2021-10-21 20:11:29,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-21 20:11:29,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 20:11:29,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-10-21 20:11:29,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:29,626 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-21 20:11:29,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-10-21 20:11:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-21 20:11:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-10-21 20:11:29,628 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-21 20:11:29,628 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-21 20:11:29,628 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:11:29,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-10-21 20:11:29,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2021-10-21 20:11:29,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:29,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:29,630 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:29,630 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:29,630 INFO L791 eck$LassoCheckResult]: Stem: 685#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 686#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 695#L532 assume !(main_~length1~0 < 1); 687#L532-2 assume !(main_~length2~0 < 1); 683#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 684#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 701#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 702#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 696#L541-4 main_~i~1 := 0; 690#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 691#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 703#L519-4 [2021-10-21 20:11:29,630 INFO L793 eck$LassoCheckResult]: Loop: 703#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 704#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 710#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 709#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 698#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 699#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 715#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 714#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 713#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 712#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 711#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 703#L519-4 [2021-10-21 20:11:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 3 times [2021-10-21 20:11:29,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315175311] [2021-10-21 20:11:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,639 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,651 INFO L82 PathProgramCache]: Analyzing trace with hash -898285594, now seen corresponding path program 1 times [2021-10-21 20:11:29,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115757374] [2021-10-21 20:11:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,658 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:29,665 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:29,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:29,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1809250353, now seen corresponding path program 1 times [2021-10-21 20:11:29,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:29,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036395713] [2021-10-21 20:11:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:11:29,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:29,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036395713] [2021-10-21 20:11:29,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036395713] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:11:29,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258378113] [2021-10-21 20:11:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:29,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:11:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:29,762 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:11:29,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-21 20:11:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:29,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 20:11:29,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:29,893 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 20:11:29,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-21 20:11:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:11:30,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258378113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:11:30,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:11:30,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2021-10-21 20:11:30,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501038565] [2021-10-21 20:11:30,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:30,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:11:30,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:11:30,410 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 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) [2021-10-21 20:11:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:30,535 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-10-21 20:11:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:11:30,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2021-10-21 20:11:30,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:30,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 27 transitions. [2021-10-21 20:11:30,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:11:30,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:11:30,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2021-10-21 20:11:30,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:30,537 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-21 20:11:30,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2021-10-21 20:11:30,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-10-21 20:11:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 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) [2021-10-21 20:11:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-10-21 20:11:30,538 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-21 20:11:30,538 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-21 20:11:30,538 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:11:30,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-10-21 20:11:30,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:11:30,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:30,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:30,539 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:30,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:30,540 INFO L791 eck$LassoCheckResult]: Stem: 840#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 841#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 849#L532 assume !(main_~length1~0 < 1); 842#L532-2 assume !(main_~length2~0 < 1); 838#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 839#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 855#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 856#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 850#L541-4 main_~i~1 := 0; 845#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 846#L546-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 847#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 848#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 851#L519-4 [2021-10-21 20:11:30,540 INFO L793 eck$LassoCheckResult]: Loop: 851#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 857#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 853#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 858#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 852#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 843#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 844#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 854#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 851#L519-4 [2021-10-21 20:11:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:30,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-10-21 20:11:30,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:30,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52108546] [2021-10-21 20:11:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:30,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,558 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:30,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:30,591 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 3 times [2021-10-21 20:11:30,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:30,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877394530] [2021-10-21 20:11:30,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:30,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,616 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:30,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:30,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1875279350, now seen corresponding path program 1 times [2021-10-21 20:11:30,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:30,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340897240] [2021-10-21 20:11:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:30,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,648 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:30,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:31,798 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:11:31,798 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:11:31,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:11:31,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:11:31,798 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:11:31,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:31,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:11:31,799 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:11:31,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration9_Lasso [2021-10-21 20:11:31,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:11:31,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:11:31,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:31,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:32,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:33,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:11:33,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:11:33,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,102 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:11:33,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 20:11:33,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,139 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:11:33,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,192 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:11:33,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,222 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:11:33,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 20:11:33,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,253 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:11:33,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 20:11:33,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,283 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:11:33,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,324 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:11:33,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,354 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:11:33,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 20:11:33,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,384 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:11:33,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 20:11:33,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,426 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:11:33,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 20:11:33,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,464 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:11:33,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 20:11:33,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,494 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:11:33,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-21 20:11:33,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,532 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:11:33,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 20:11:33,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,583 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:11:33,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 20:11:33,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,615 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:11:33,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 20:11:33,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,646 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:11:33,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,676 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:11:33,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-21 20:11:33,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,708 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:11:33,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 20:11:33,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,738 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:11:33,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 20:11:33,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,774 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:11:33,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 20:11:33,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,840 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:11:33,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:33,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,915 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:33,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:33,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:33,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:11:33,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:33,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-21 20:11:33,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:33,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:33,953 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:33,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:11:33,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:33,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:33,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:33,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:33,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:33,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:33,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:33,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:34,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:34,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:34,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:34,008 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:34,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:11:34,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:34,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:34,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:34,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:34,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:34,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:34,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:34,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:34,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:34,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:34,042 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:34,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:11:34,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:34,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:34,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:34,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:34,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:34,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:34,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:34,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:34,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:34,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:34,126 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:34,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:34,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:34,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:34,137 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:11:34,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:34,150 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-21 20:11:34,150 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-21 20:11:34,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:11:34,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:34,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:34,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:34,210 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:34,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:34,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:34,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:34,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:34,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:34,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:34,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:34,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:11:34,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:11:34,323 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 20:11:34,323 INFO L444 ModelExtractionUtils]: 15 out of 58 variables were initially zero. Simplification set additionally 40 variables to zero. [2021-10-21 20:11:34,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:34,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:34,324 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:34,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:11:34,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:11:34,345 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:11:34,345 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:11:34,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_3) = -1*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_3 Supporting invariants [] [2021-10-21 20:11:34,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:34,430 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-10-21 20:11:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:34,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:34,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:34,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:34,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:34,719 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:11:34,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2021-10-21 20:11:34,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) Result 29 states and 36 transitions. Complement of second has 5 states. [2021-10-21 20:11:34,757 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 [2021-10-21 20:11:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2021-10-21 20:11:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-10-21 20:11:34,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 13 letters. Loop has 8 letters. [2021-10-21 20:11:34,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:34,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 8 letters. [2021-10-21 20:11:34,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:34,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 13 letters. Loop has 16 letters. [2021-10-21 20:11:34,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:34,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-10-21 20:11:34,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:34,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 33 transitions. [2021-10-21 20:11:34,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:11:34,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-21 20:11:34,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-10-21 20:11:34,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:11:34,761 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-21 20:11:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-10-21 20:11:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 20:11:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-10-21 20:11:34,763 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-21 20:11:34,764 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-21 20:11:34,764 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:11:34,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-10-21 20:11:34,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:34,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:34,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:34,765 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:34,765 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:11:34,765 INFO L791 eck$LassoCheckResult]: Stem: 1049#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1050#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1058#L532 assume !(main_~length1~0 < 1); 1051#L532-2 assume !(main_~length2~0 < 1); 1047#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1048#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1067#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1068#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1059#L541-4 main_~i~1 := 0; 1054#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1055#L546-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1056#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 1057#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 1060#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 1070#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 1062#L522-5 [2021-10-21 20:11:34,765 INFO L793 eck$LassoCheckResult]: Loop: 1062#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 1071#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 1061#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 1062#L522-5 [2021-10-21 20:11:34,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:34,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2021-10-21 20:11:34,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:34,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641064169] [2021-10-21 20:11:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:34,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,776 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:34,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:34,789 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2021-10-21 20:11:34,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:34,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279145674] [2021-10-21 20:11:34,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:34,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,794 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:34,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2021-10-21 20:11:34,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:34,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546238153] [2021-10-21 20:11:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:34,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:34,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:36,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 20:11:36,293 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:11:36,293 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:11:36,293 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:11:36,293 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:11:36,293 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:11:36,293 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:36,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:11:36,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:11:36,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration10_Lasso [2021-10-21 20:11:36,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:11:36,293 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:11:36,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:36,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:37,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:11:37,662 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:11:37,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,667 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:11:37,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:37,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:37,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:37,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 20:11:37,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,726 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:11:37,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:37,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:37,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:37,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 20:11:37,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,754 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:11:37,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:37,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:37,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 20:11:37,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,800 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:11:37,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:37,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:37,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-21 20:11:37,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,865 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:11:37,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:37,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:37,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:37,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,917 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:11:37,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:37,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:37,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:37,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 20:11:37,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:37,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:37,948 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:37,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:11:37,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:37,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:37,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:37,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:37,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:37,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:37,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:37,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:38,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:38,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:38,003 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:38,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:11:38,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:38,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:38,012 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:11:38,012 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-21 20:11:38,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:38,076 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-10-21 20:11:38,077 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 20:11:38,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:38,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:38,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:38,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:38,300 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:38,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:38,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:11:38,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:38,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:38,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:38,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:38,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:38,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:38,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:38,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:38,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:38,365 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:38,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:38,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:38,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:38,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:38,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:38,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:11:38,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:38,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:38,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:11:38,510 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-21 20:11:38,510 INFO L444 ModelExtractionUtils]: 19 out of 58 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-21 20:11:38,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:38,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:38,511 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:38,513 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:11:38,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:11:38,546 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:11:38,546 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:11:38,546 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 Supporting invariants [] [2021-10-21 20:11:38,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:38,677 INFO L297 tatePredicateManager]: 28 out of 28 supporting invariants were superfluous and have been removed [2021-10-21 20:11:38,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:38,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:11:38,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:38,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:11:38,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:38,771 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:11:38,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:38,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 51 states and 61 transitions. Complement of second has 5 states. [2021-10-21 20:11:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-10-21 20:11:38,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 20:11:38,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:38,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-21 20:11:38,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:38,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-21 20:11:38,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:38,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 61 transitions. [2021-10-21 20:11:38,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:38,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 38 states and 46 transitions. [2021-10-21 20:11:38,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-21 20:11:38,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-21 20:11:38,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2021-10-21 20:11:38,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:11:38,790 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2021-10-21 20:11:38,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2021-10-21 20:11:38,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2021-10-21 20:11:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-10-21 20:11:38,792 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-21 20:11:38,792 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-21 20:11:38,792 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:11:38,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2021-10-21 20:11:38,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:38,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:38,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:38,793 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:38,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:11:38,794 INFO L791 eck$LassoCheckResult]: Stem: 1313#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1314#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1322#L532 assume !(main_~length1~0 < 1); 1315#L532-2 assume !(main_~length2~0 < 1); 1311#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1312#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1331#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1332#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1323#L541-4 main_~i~1 := 0; 1318#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1319#L546-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1320#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 1321#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 1324#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 1333#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 1328#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 1342#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 1340#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 1316#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 1317#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 1329#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 1330#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 1335#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 1326#L522-5 [2021-10-21 20:11:38,794 INFO L793 eck$LassoCheckResult]: Loop: 1326#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 1336#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 1325#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 1326#L522-5 [2021-10-21 20:11:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:38,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1742810479, now seen corresponding path program 2 times [2021-10-21 20:11:38,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:38,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368916990] [2021-10-21 20:11:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:38,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:11:38,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:11:38,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368916990] [2021-10-21 20:11:38,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368916990] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:11:38,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230791506] [2021-10-21 20:11:38,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:11:38,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:11:38,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:38,974 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:11:38,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2021-10-21 20:11:39,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:11:39,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:11:39,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 20:11:39,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:39,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 20:11:39,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-10-21 20:11:39,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:40,116 INFO L354 Elim1Store]: treesize reduction 42, result has 6.7 percent of original size [2021-10-21 20:11:40,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 34 [2021-10-21 20:11:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:11:40,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230791506] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:11:40,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:11:40,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-10-21 20:11:40,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421354423] [2021-10-21 20:11:40,139 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:11:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:40,140 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2021-10-21 20:11:40,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:40,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721698011] [2021-10-21 20:11:40,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:40,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,146 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,151 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:40,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:11:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 20:11:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-10-21 20:11:40,258 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 18 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 18 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:40,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:11:40,676 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-10-21 20:11:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:11:40,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 62 transitions. [2021-10-21 20:11:40,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:40,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 35 states and 42 transitions. [2021-10-21 20:11:40,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-21 20:11:40,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-21 20:11:40,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2021-10-21 20:11:40,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:11:40,679 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-21 20:11:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2021-10-21 20:11:40,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-21 20:11:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2021-10-21 20:11:40,681 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-21 20:11:40,681 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-21 20:11:40,681 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:11:40,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2021-10-21 20:11:40,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:11:40,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:11:40,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:11:40,683 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:11:40,683 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:11:40,683 INFO L791 eck$LassoCheckResult]: Stem: 1499#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1500#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18.base, main_#t~ret18.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1508#L532 assume !(main_~length1~0 < 1); 1501#L532-2 assume !(main_~length2~0 < 1); 1497#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1498#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1517#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1518#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1519#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1528#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1509#L541-4 main_~i~1 := 0; 1504#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1505#L546-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1506#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 1507#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 1510#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 1520#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 1514#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 1524#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 1525#L522-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 1502#L522-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 1503#L524 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 1515#L519-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 1516#L519-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 1522#L519-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 1512#L522-5 [2021-10-21 20:11:40,683 INFO L793 eck$LassoCheckResult]: Loop: 1512#L522-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 1523#L522-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 1511#L522-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 1512#L522-5 [2021-10-21 20:11:40,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 3 times [2021-10-21 20:11:40,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:40,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576609599] [2021-10-21 20:11:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:40,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,702 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 4 times [2021-10-21 20:11:40,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:40,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734765365] [2021-10-21 20:11:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:40,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,741 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:40,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:40,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2021-10-21 20:11:40,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:11:40,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780876368] [2021-10-21 20:11:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:11:40,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:11:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,764 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:11:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:11:40,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:11:43,500 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:11:43,500 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:11:43,500 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:11:43,500 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:11:43,500 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:11:43,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:43,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:11:43,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:11:43,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration12_Lasso [2021-10-21 20:11:43,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:11:43,500 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:11:43,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:43,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:44,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:45,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:11:46,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:11:46,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:11:46,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,252 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:11:46,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 20:11:46,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,283 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:11:46,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,318 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:11:46,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,394 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:11:46,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 20:11:46,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,426 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:11:46,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 20:11:46,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,459 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:11:46,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:46,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:46,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-21 20:11:46,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,494 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:11:46,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 20:11:46,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,524 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:11:46,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-21 20:11:46,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,554 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:11:46,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:46,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:46,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 20:11:46,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,586 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:11:46,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 20:11:46,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,616 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:11:46,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 20:11:46,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,646 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:11:46,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 20:11:46,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,676 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:11:46,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,706 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:11:46,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 20:11:46,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,735 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:11:46,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,765 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:11:46,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-21 20:11:46,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,795 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:11:46,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:11:46,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:11:46,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:11:46,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-21 20:11:46,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,825 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:11:46,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:46,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:46,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,877 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:11:46,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:46,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:46,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,914 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 20:11:46,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:46,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:46,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:46,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:46,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:46,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:46,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:46,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:46,963 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:46,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:11:46,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:46,974 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-21 20:11:46,974 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-21 20:11:46,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:46,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 20:11:47,072 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-10-21 20:11:47,072 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 20:11:47,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:11:47,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:47,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:47,367 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:47,369 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 [2021-10-21 20:11:47,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:11:47,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:11:47,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:11:47,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:11:47,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:11:47,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:11:47,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:11:47,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:11:47,496 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2021-10-21 20:11:47,496 INFO L444 ModelExtractionUtils]: 10 out of 52 variables were initially zero. Simplification set additionally 39 variables to zero. [2021-10-21 20:11:47,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:11:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:11:47,498 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:11:47,502 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:11:47,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:11:47,526 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:11:47,526 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:11:47,526 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrpbrk_~s2.base)_1, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s2.base)_1 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2021-10-21 20:11:47,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:47,744 INFO L297 tatePredicateManager]: 40 out of 42 supporting invariants were superfluous and have been removed [2021-10-21 20:11:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:47,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:47,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:47,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:47,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:48,006 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 [2021-10-21 20:11:48,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 7 states. [2021-10-21 20:11:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2021-10-21 20:11:48,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:11:48,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:48,080 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:11:48,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:48,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:48,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:48,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:48,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:48,377 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 20:11:48,377 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 7 states. [2021-10-21 20:11:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2021-10-21 20:11:48,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:11:48,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:48,472 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:11:48,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:11:48,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:48,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:48,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:11:48,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:11:48,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:11:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:11:48,730 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 20:11:48,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 58 transitions. Complement of second has 6 states. [2021-10-21 20:11:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:11:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:11:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-10-21 20:11:48,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:11:48,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:48,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-21 20:11:48,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:48,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 6 letters. [2021-10-21 20:11:48,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:11:48,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2021-10-21 20:11:48,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:11:48,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:11:48,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:11:48,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:11:48,787 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:11:48,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:11:48,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:11:48,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:11:48,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:11:48 BoogieIcfgContainer [2021-10-21 20:11:48,793 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:11:48,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:11:48,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:11:48,794 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:11:48,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:11:22" (3/4) ... [2021-10-21 20:11:48,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:11:48,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:11:48,798 INFO L168 Benchmark]: Toolchain (without parser) took 26887.51 ms. Allocated memory was 113.2 MB in the beginning and 220.2 MB in the end (delta: 107.0 MB). Free memory was 83.1 MB in the beginning and 142.4 MB in the end (delta: -59.3 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:11:48,799 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory was 66.4 MB in the beginning and 66.3 MB in the end (delta: 63.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:11:48,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.62 ms. Allocated memory is still 113.2 MB. Free memory was 82.9 MB in the beginning and 79.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:11:48,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.55 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:11:48,800 INFO L168 Benchmark]: Boogie Preprocessor took 52.18 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 76.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:11:48,800 INFO L168 Benchmark]: RCFGBuilder took 386.58 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 64.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:11:48,800 INFO L168 Benchmark]: BuchiAutomizer took 25916.63 ms. Allocated memory was 113.2 MB in the beginning and 220.2 MB in the end (delta: 107.0 MB). Free memory was 64.5 MB in the beginning and 142.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:11:48,801 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 220.2 MB. Free memory is still 142.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:11:48,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory was 66.4 MB in the beginning and 66.3 MB in the end (delta: 63.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.62 ms. Allocated memory is still 113.2 MB. Free memory was 82.9 MB in the beginning and 79.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.55 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.18 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 76.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 386.58 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 64.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25916.63 ms. Allocated memory was 113.2 MB in the beginning and 220.2 MB in the end (delta: 107.0 MB). Free memory was 64.5 MB in the beginning and 142.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.14 ms. Allocated memory is still 220.2 MB. Free memory is still 142.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * sc1 and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s2] and consists of 5 locations. 7 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.8s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 22.7s. Construction of modules took 0.5s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 3. Automata minimization 53.1ms AutomataMinimizationTime, 11 MinimizatonAttempts, 29 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 34 states and ocurred in iteration 11. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 260 SDtfs, 498 SDslu, 657 SDs, 0 SdLazy, 629 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 539.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI1 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital310 mio100 ax108 hnf99 lsp91 ukn70 mio100 lsp44 div108 bol100 ite100 ukn100 eq177 hnf86 smp95 dnf378 smp60 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 369ms VariablesStem: 9 VariablesLoop: 6 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:11:48,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:49,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:11:49,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae280018-5d2c-4ac9-a18c-cf12a29979f5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...