./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3 --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 6e748b563bb7a11726b28f7957ce1a00b7c8807b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:19:34,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:19:34,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:19:34,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:19:34,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:19:34,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:19:34,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:19:34,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:19:34,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:19:34,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:19:34,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:19:34,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:19:34,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:19:34,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:19:34,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:19:34,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:19:34,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:19:34,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:19:34,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:19:34,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:19:34,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:19:34,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:19:34,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:19:34,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:19:34,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:19:34,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:19:34,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:19:34,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:19:34,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:19:34,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:19:34,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:19:34,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:19:34,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:19:34,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:19:34,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:19:34,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:19:34,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:19:34,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:19:34,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:19:34,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:19:34,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:19:34,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:19:34,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:19:34,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:19:34,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:19:34,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:19:34,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:19:34,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:19:34,568 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:19:34,568 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:19:34,568 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:19:34,569 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:19:34,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:19:34,569 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:19:34,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:19:34,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:19:34,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:19:34,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:19:34,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:19:34,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:19:34,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:19:34,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:19:34,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:19:34,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:19:34,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:19:34,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:19:34,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:19:34,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:19:34,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:19:34,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:19:34,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:19:34,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:19:34,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:19:34,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:19:34,576 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:19:34,577 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_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e748b563bb7a11726b28f7957ce1a00b7c8807b [2021-10-15 19:19:34,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:19:34,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:19:34,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:19:34,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:19:34,836 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:19:34,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-10-15 19:19:34,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/data/8c01b5309/16d821aa996148feaa82a023a5c17e96/FLAG9c5ee7249 [2021-10-15 19:19:35,471 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:19:35,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-10-15 19:19:35,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/data/8c01b5309/16d821aa996148feaa82a023a5c17e96/FLAG9c5ee7249 [2021-10-15 19:19:35,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/data/8c01b5309/16d821aa996148feaa82a023a5c17e96 [2021-10-15 19:19:35,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:19:35,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:19:35,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:19:35,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:19:35,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:19:35,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:19:35" (1/1) ... [2021-10-15 19:19:35,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610fa560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:35, skipping insertion in model container [2021-10-15 19:19:35,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:19:35" (1/1) ... [2021-10-15 19:19:35,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:19:35,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:19:36,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:19:36,199 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:19:36,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:19:36,266 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:19:36,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36 WrapperNode [2021-10-15 19:19:36,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:19:36,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:19:36,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:19:36,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:19:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:19:36,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:19:36,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:19:36,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:19:36,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:19:36,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:19:36,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:19:36,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:19:36,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (1/1) ... [2021-10-15 19:19:36,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:36,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:36,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:19:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:19:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:19:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:19:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:19:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:19:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:19:36,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:19:36,789 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-15 19:19:36,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:19:36 BoogieIcfgContainer [2021-10-15 19:19:36,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:19:36,792 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:19:36,792 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:19:36,796 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:19:36,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:19:36,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:19:35" (1/3) ... [2021-10-15 19:19:36,798 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d45bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:19:36, skipping insertion in model container [2021-10-15 19:19:36,799 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:19:36,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:19:36" (2/3) ... [2021-10-15 19:19:36,799 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d45bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:19:36, skipping insertion in model container [2021-10-15 19:19:36,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:19:36,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:19:36" (3/3) ... [2021-10-15 19:19:36,801 INFO L389 chiAutomizerObserver]: Analyzing ICFG substring-alloca-2.i [2021-10-15 19:19:36,846 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:19:36,846 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:19:36,847 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:19:36,847 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:19:36,847 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:19:36,847 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:19:36,847 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:19:36,847 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:19:36,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:19:36,883 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-15 19:19:36,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:36,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:36,890 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:19:36,890 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:19:36,890 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:19:36,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:19:36,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-15 19:19:36,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:36,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:36,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:19:36,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:19:36,901 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 11#L532true assume !(main_~length1~0 < 1); 8#L532-2true assume !(main_~length2~0 < 1); 3#L535-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 18#L541-3true [2021-10-15 19:19:36,901 INFO L793 eck$LassoCheckResult]: Loop: 18#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 23#L541-2true main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 18#L541-3true [2021-10-15 19:19:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-15 19:19:36,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:36,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406828730] [2021-10-15 19:19:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:36,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,047 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:37,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-15 19:19:37,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:37,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028293857] [2021-10-15 19:19:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:37,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,127 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,137 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:37,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-15 19:19:37,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:37,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057841233] [2021-10-15 19:19:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:37,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,187 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:37,234 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:37,800 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:19:37,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:19:37,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:19:37,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:19:37,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:19:37,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:37,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:19:37,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:19:37,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration1_Lasso [2021-10-15 19:19:37,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:19:37,802 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:19:37,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:37,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:38,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:19:38,320 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:19:38,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:38,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:38,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:19:38,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:38,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:38,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-15 19:19:38,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,405 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 [2021-10-15 19:19:38,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:38,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:38,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:38,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:19:38,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:19:38,470 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 [2021-10-15 19:19:38,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:38,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:38,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:38,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:19:38,518 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 [2021-10-15 19:19:38,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:38,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:38,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:38,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:19:38,576 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 [2021-10-15 19:19:38,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:38,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:38,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:19:38,660 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 [2021-10-15 19:19:38,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:38,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:38,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:19:38,746 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 [2021-10-15 19:19:38,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:38,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:38,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:38,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,810 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:19:38,825 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 [2021-10-15 19:19:38,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:38,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:38,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,899 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 [2021-10-15 19:19:38,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:38,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:19:38,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:38,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:38,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:38,963 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:19:38,965 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 [2021-10-15 19:19:38,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:38,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:38,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:38,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:38,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:38,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:38,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,022 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:39,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:19:39,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:39,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:39,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:39,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:19:39,098 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 [2021-10-15 19:19:39,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:39,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:39,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,153 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:19:39,156 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 [2021-10-15 19:19:39,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:39,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:39,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,227 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,232 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 [2021-10-15 19:19:39,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:39,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:39,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:19:39,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,302 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:19:39,305 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 [2021-10-15 19:19:39,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:39,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:39,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:39,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:39,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:39,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:19:39,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:39,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:39,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:39,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:39,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:39,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:39,428 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:19:39,503 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-15 19:19:39,503 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-15 19:19:39,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:39,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:39,516 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:39,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:19:39,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 19:19:39,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:19:39,566 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:19:39,567 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 [] [2021-10-15 19:19:39,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:39,639 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-15 19:19:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:39,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:19:39,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:39,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:19:39,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:39,796 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 [2021-10-15 19:19:39,798 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-15 19:19:39,870 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 57 states and 84 transitions. Complement of second has 7 states. [2021-10-15 19:19:39,870 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 [2021-10-15 19:19:39,872 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) [2021-10-15 19:19:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2021-10-15 19:19:39,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-15 19:19:39,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:39,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-15 19:19:39,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:39,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-15 19:19:39,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:39,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 84 transitions. [2021-10-15 19:19:39,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-15 19:19:39,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 19 states and 26 transitions. [2021-10-15 19:19:39,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-15 19:19:39,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-15 19:19:39,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-10-15 19:19:39,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:19:39,888 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-15 19:19:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-10-15 19:19:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-15 19:19:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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) [2021-10-15 19:19:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-15 19:19:39,911 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-15 19:19:39,911 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-15 19:19:39,911 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:19:39,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-15 19:19:39,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-15 19:19:39,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:39,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:39,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:39,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:19:39,913 INFO L791 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 157#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 162#L532 assume !(main_~length1~0 < 1); 161#L532-2 assume !(main_~length2~0 < 1); 152#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 153#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 164#L541-4 main_~i~1 := 0; 155#L547-3 [2021-10-15 19:19:39,913 INFO L793 eck$LassoCheckResult]: Loop: 155#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 154#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 155#L547-3 [2021-10-15 19:19:39,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:39,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-15 19:19:39,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:39,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325505740] [2021-10-15 19:19:39,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:39,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:39,935 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:39,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:39,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:39,954 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-15 19:19:39,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:39,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888178526] [2021-10-15 19:19:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:39,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:39,961 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:39,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:39,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:39,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-15 19:19:39,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:39,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651113170] [2021-10-15 19:19:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:39,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:39,982 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:40,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:40,371 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:19:40,372 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:19:40,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:19:40,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:19:40,372 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:19:40,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:40,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:19:40,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:19:40,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration2_Lasso [2021-10-15 19:19:40,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:19:40,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:19:40,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:40,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:40,792 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:19:40,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:19:40,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:40,793 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 19:19:40,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:40,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:40,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:40,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:40,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:40,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:40,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:40,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:40,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:40,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:40,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:40,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:40,866 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 19:19:40,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:40,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:40,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:40,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:40,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:40,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:40,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:40,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:40,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:40,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:40,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:40,913 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:40,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 19:19:40,914 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 [2021-10-15 19:19:40,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:40,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:40,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:40,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:40,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:40,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:40,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:40,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:40,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:40,988 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:40,997 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 [2021-10-15 19:19:41,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:41,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:41,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 19:19:41,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-15 19:19:41,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,047 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 19:19:41,049 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 [2021-10-15 19:19:41,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:41,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:41,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-15 19:19:41,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,113 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 19:19:41,115 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 [2021-10-15 19:19:41,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:41,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:41,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:41,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-15 19:19:41,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,145 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-15 19:19:41,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:41,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:41,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:41,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:41,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,225 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,227 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 [2021-10-15 19:19:41,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:41,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:41,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-15 19:19:41,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:41,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,275 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-15 19:19:41,284 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 [2021-10-15 19:19:41,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:41,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:41,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:41,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-15 19:19:41,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,314 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,316 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 [2021-10-15 19:19:41,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-15 19:19:41,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:41,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:41,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:41,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:41,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,369 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-15 19:19:41,371 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 [2021-10-15 19:19:41,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:41,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:41,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:41,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:41,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:41,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:41,401 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:19:41,426 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-15 19:19:41,427 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-15 19:19:41,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:41,456 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:41,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:19:41,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-15 19:19:41,533 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:19:41,533 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:19:41,533 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_2, ULTIMATE.start_main_~nondetString2~0.offset) = -1*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_2 - 1*ULTIMATE.start_main_~nondetString2~0.offset Supporting invariants [] [2021-10-15 19:19:41,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:41,591 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-10-15 19:19:41,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:41,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:19:41,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:41,673 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 19:19:41,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:41,708 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 [2021-10-15 19:19:41,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-10-15 19:19:41,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 10. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 29 states and 42 transitions. Complement of second has 7 states. [2021-10-15 19:19:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:19:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-10-15 19:19:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-10-15 19:19:41,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-15 19:19:41,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:41,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-15 19:19:41,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:41,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-15 19:19:41,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:41,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 42 transitions. [2021-10-15 19:19:41,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:41,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 28 transitions. [2021-10-15 19:19:41,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-15 19:19:41,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-15 19:19:41,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-10-15 19:19:41,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:19:41,775 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-10-15 19:19:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-10-15 19:19:41,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-15 19:19:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-10-15 19:19:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2021-10-15 19:19:41,777 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-10-15 19:19:41,777 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-10-15 19:19:41,777 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:19:41,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2021-10-15 19:19:41,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:41,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:41,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:41,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:41,779 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:41,779 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 292#L532 assume !(main_~length1~0 < 1); 290#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 293#L541-4 main_~i~1 := 0; 294#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 297#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 296#L517-3 [2021-10-15 19:19:41,779 INFO L793 eck$LassoCheckResult]: Loop: 296#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 291#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 289#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 298#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 287#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 288#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 295#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 296#L517-3 [2021-10-15 19:19:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-15 19:19:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:41,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159544292] [2021-10-15 19:19:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:41,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:41,798 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:41,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:41,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 1 times [2021-10-15 19:19:41,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:41,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018203664] [2021-10-15 19:19:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:41,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:41,831 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:41,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:41,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:41,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1515359350, now seen corresponding path program 1 times [2021-10-15 19:19:41,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:41,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314866531] [2021-10-15 19:19:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:41,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:41,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:42,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:42,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314866531] [2021-10-15 19:19:42,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314866531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:19:42,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:19:42,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-15 19:19:42,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922859635] [2021-10-15 19:19:42,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:42,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 19:19:42,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-15 19:19:42,274 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:19:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:42,369 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2021-10-15 19:19:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 19:19:42,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2021-10-15 19:19:42,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:42,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 28 transitions. [2021-10-15 19:19:42,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-15 19:19:42,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-15 19:19:42,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2021-10-15 19:19:42,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:19:42,372 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-15 19:19:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2021-10-15 19:19:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-15 19:19:42,374 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) [2021-10-15 19:19:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-10-15 19:19:42,375 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-15 19:19:42,375 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-15 19:19:42,375 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 19:19:42,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-10-15 19:19:42,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:42,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:42,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:42,376 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:42,376 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:42,376 INFO L791 eck$LassoCheckResult]: Stem: 349#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 350#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 356#L532 assume !(main_~length1~0 < 1); 354#L532-2 assume !(main_~length2~0 < 1); 345#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 346#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 363#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 364#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 357#L541-4 main_~i~1 := 0; 358#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 361#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 360#L517-3 [2021-10-15 19:19:42,376 INFO L793 eck$LassoCheckResult]: Loop: 360#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 355#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 353#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 362#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 351#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 352#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 359#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 360#L517-3 [2021-10-15 19:19:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:42,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-15 19:19:42,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:42,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991250278] [2021-10-15 19:19:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:42,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:42,394 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:42,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:42,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:42,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 2 times [2021-10-15 19:19:42,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:42,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084215400] [2021-10-15 19:19:42,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:42,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:42,457 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:42,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:42,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:42,467 INFO L82 PathProgramCache]: Analyzing trace with hash 2020169960, now seen corresponding path program 1 times [2021-10-15 19:19:42,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:42,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794383225] [2021-10-15 19:19:42,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:42,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 19:19:42,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:42,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794383225] [2021-10-15 19:19:42,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794383225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:19:42,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:19:42,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-15 19:19:42,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703348486] [2021-10-15 19:19:42,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:42,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-15 19:19:42,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-15 19:19:42,853 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 9 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) [2021-10-15 19:19:42,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:42,997 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2021-10-15 19:19:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-15 19:19:42,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2021-10-15 19:19:43,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-15 19:19:43,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 32 states and 42 transitions. [2021-10-15 19:19:43,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-15 19:19:43,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-10-15 19:19:43,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2021-10-15 19:19:43,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:19:43,002 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-15 19:19:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2021-10-15 19:19:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-10-15 19:19:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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) [2021-10-15 19:19:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2021-10-15 19:19:43,006 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-10-15 19:19:43,006 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-10-15 19:19:43,006 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-15 19:19:43,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 41 transitions. [2021-10-15 19:19:43,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-15 19:19:43,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:43,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:43,007 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:43,007 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:43,008 INFO L791 eck$LassoCheckResult]: Stem: 425#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 426#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 432#L532 assume !(main_~length1~0 < 1); 429#L532-2 assume !(main_~length2~0 < 1); 421#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 422#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 442#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 443#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 433#L541-4 main_~i~1 := 0; 434#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 444#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 445#L517-3 [2021-10-15 19:19:43,008 INFO L793 eck$LassoCheckResult]: Loop: 445#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 446#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 448#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 447#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 427#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 428#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 440#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 441#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 437#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 438#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 445#L517-3 [2021-10-15 19:19:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 2 times [2021-10-15 19:19:43,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:43,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341737622] [2021-10-15 19:19:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:43,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:43,022 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:43,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:43,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:43,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1312710103, now seen corresponding path program 1 times [2021-10-15 19:19:43,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:43,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106577006] [2021-10-15 19:19:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:43,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:43,048 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:43,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:43,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1844492576, now seen corresponding path program 1 times [2021-10-15 19:19:43,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:43,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672302128] [2021-10-15 19:19:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:43,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 19:19:43,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:43,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672302128] [2021-10-15 19:19:43,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672302128] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 19:19:43,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822832892] [2021-10-15 19:19:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:43,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 19:19:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:43,180 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 19:19:43,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-15 19:19:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:43,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-15 19:19:43,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:43,299 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-15 19:19:43,300 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 [2021-10-15 19:19:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 19:19:43,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822832892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:19:43,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-15 19:19:43,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2021-10-15 19:19:43,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805099254] [2021-10-15 19:19:43,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:43,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-15 19:19:43,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-15 19:19:43,804 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) [2021-10-15 19:19:43,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:43,945 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2021-10-15 19:19:43,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-15 19:19:43,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2021-10-15 19:19:43,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:43,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 27 transitions. [2021-10-15 19:19:43,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-15 19:19:43,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-15 19:19:43,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-10-15 19:19:43,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:19:43,948 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-15 19:19:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-10-15 19:19:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-15 19:19:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:19:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-15 19:19:43,950 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-15 19:19:43,950 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-15 19:19:43,950 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-15 19:19:43,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-15 19:19:43,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-15 19:19:43,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:43,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:43,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:43,952 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:43,952 INFO L791 eck$LassoCheckResult]: Stem: 574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 575#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 581#L532 assume !(main_~length1~0 < 1); 579#L532-2 assume !(main_~length2~0 < 1); 570#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 571#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 588#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 589#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 582#L541-4 main_~i~1 := 0; 583#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 572#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 573#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 586#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 585#L517-3 [2021-10-15 19:19:43,952 INFO L793 eck$LassoCheckResult]: Loop: 585#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 580#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 578#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 587#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 576#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 577#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 584#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 585#L517-3 [2021-10-15 19:19:43,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:43,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-10-15 19:19:43,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:43,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593703049] [2021-10-15 19:19:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:43,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:43,984 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:44,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:44,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 3 times [2021-10-15 19:19:44,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:44,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396985748] [2021-10-15 19:19:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:44,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:44,008 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:44,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:44,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:44,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1498710394, now seen corresponding path program 1 times [2021-10-15 19:19:44,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:44,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476745243] [2021-10-15 19:19:44,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:44,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:44,033 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:44,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:45,428 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:19:45,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:19:45,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:19:45,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:19:45,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:19:45,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:45,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:19:45,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:19:45,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration6_Lasso [2021-10-15 19:19:45,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:19:45,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:19:45,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:45,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:45,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:45,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:45,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:46,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:19:46,914 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:19:46,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:46,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:46,932 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:46,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-15 19:19:46,956 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 [2021-10-15 19:19:46,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:46,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:46,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:46,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:46,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:46,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:46,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-15 19:19:47,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,006 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-15 19:19:47,008 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 [2021-10-15 19:19:47,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:47,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:47,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:47,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-15 19:19:47,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,042 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-15 19:19:47,045 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 [2021-10-15 19:19:47,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-15 19:19:47,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,078 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-15 19:19:47,080 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 [2021-10-15 19:19:47,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:47,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:47,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:47,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:47,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,109 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,110 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 [2021-10-15 19:19:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-15 19:19:47,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:47,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,161 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-15 19:19:47,163 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 [2021-10-15 19:19:47,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:47,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,203 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-15 19:19:47,205 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 [2021-10-15 19:19:47,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,212 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-15 19:19:47,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,258 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-10-15 19:19:47,259 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-15 19:19:47,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-15 19:19:47,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,390 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-15 19:19:47,392 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 [2021-10-15 19:19:47,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-15 19:19:47,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,457 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-15 19:19:47,459 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 [2021-10-15 19:19:47,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:47,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:47,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:47,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-15 19:19:47,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,489 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,491 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 [2021-10-15 19:19:47,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-15 19:19:47,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-15 19:19:47,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,527 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-15 19:19:47,528 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 [2021-10-15 19:19:47,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-15 19:19:47,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,576 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-15 19:19:47,578 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 [2021-10-15 19:19:47,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:47,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,610 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-15 19:19:47,613 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 [2021-10-15 19:19:47,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:47,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-15 19:19:47,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,667 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-15 19:19:47,670 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 [2021-10-15 19:19:47,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:47,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:47,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:47,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:47,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:47,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:47,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:19:47,782 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-15 19:19:47,782 INFO L444 ModelExtractionUtils]: 26 out of 64 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-10-15 19:19:47,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:47,788 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:47,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:19:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-15 19:19:47,814 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:19:47,815 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:19:47,815 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_substring_~ps~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 1*ULTIMATE.start_substring_~ps~0.offset Supporting invariants [] [2021-10-15 19:19:47,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:47,947 INFO L297 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2021-10-15 19:19:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:47,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:19:47,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:48,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:19:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:48,125 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 [2021-10-15 19:19:48,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-15 19:19:48,165 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 27 states and 36 transitions. Complement of second has 4 states. [2021-10-15 19:19:48,165 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 [2021-10-15 19:19:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-15 19:19:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2021-10-15 19:19:48,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 7 letters. [2021-10-15 19:19:48,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:48,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 20 letters. Loop has 7 letters. [2021-10-15 19:19:48,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:48,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 14 letters. [2021-10-15 19:19:48,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:48,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-10-15 19:19:48,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:48,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 34 transitions. [2021-10-15 19:19:48,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-15 19:19:48,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-15 19:19:48,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-10-15 19:19:48,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:19:48,169 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-15 19:19:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-10-15 19:19:48,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-15 19:19:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:19:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2021-10-15 19:19:48,172 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-15 19:19:48,172 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-15 19:19:48,172 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-15 19:19:48,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2021-10-15 19:19:48,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:48,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:48,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:48,173 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:48,173 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:19:48,173 INFO L791 eck$LassoCheckResult]: Stem: 780#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 781#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 790#L532 assume !(main_~length1~0 < 1); 789#L532-2 assume !(main_~length2~0 < 1); 778#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 779#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 801#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 802#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 793#L541-4 main_~i~1 := 0; 794#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 782#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 783#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 797#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 798#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 791#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 785#L520-5 [2021-10-15 19:19:48,174 INFO L793 eck$LassoCheckResult]: Loop: 785#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 799#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 784#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 785#L520-5 [2021-10-15 19:19:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:48,174 INFO L82 PathProgramCache]: Analyzing trace with hash 2055034719, now seen corresponding path program 1 times [2021-10-15 19:19:48,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:48,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465079258] [2021-10-15 19:19:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:48,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:48,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:48,232 INFO L82 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 1 times [2021-10-15 19:19:48,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:48,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946097125] [2021-10-15 19:19:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:48,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,241 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1075534243, now seen corresponding path program 1 times [2021-10-15 19:19:48,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:48,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823777655] [2021-10-15 19:19:48,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:48,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,278 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:48,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:49,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:49,947 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:19:49,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:19:49,947 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:19:49,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:19:49,947 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:19:49,947 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:49,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:19:49,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:19:49,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration7_Lasso [2021-10-15 19:19:49,947 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:19:49,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:19:49,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:49,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:50,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:51,478 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:19:51,478 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:19:51,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,480 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,483 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 [2021-10-15 19:19:51,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-15 19:19:51,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-15 19:19:51,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,527 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-15 19:19:51,529 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 [2021-10-15 19:19:51,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:51,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:51,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:51,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,572 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-15 19:19:51,574 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 [2021-10-15 19:19:51,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-15 19:19:51,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,605 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-15 19:19:51,607 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 [2021-10-15 19:19:51,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-15 19:19:51,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,636 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-15 19:19:51,639 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 [2021-10-15 19:19:51,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:51,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:51,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-15 19:19:51,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,679 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-15 19:19:51,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:51,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-15 19:19:51,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,710 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-15 19:19:51,711 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 [2021-10-15 19:19:51,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-15 19:19:51,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,793 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,804 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 [2021-10-15 19:19:51,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-15 19:19:51,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:51,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:51,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:51,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,865 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:19:51,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-15 19:19:51,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:51,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,909 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-15 19:19:51,910 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 [2021-10-15 19:19:51,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-15 19:19:51,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,940 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-15 19:19:51,941 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 [2021-10-15 19:19:51,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:51,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-15 19:19:51,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:51,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:51,970 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-15 19:19:51,972 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 [2021-10-15 19:19:51,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:51,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:51,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:51,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:51,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:51,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:51,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:51,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-15 19:19:52,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,001 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-15 19:19:52,002 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 [2021-10-15 19:19:52,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-15 19:19:52,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,031 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-15 19:19:52,032 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 [2021-10-15 19:19:52,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-15 19:19:52,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,075 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-15 19:19:52,077 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 [2021-10-15 19:19:52,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,106 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-15 19:19:52,107 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 [2021-10-15 19:19:52,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,137 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-15 19:19:52,138 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 [2021-10-15 19:19:52,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:52,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:52,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-15 19:19:52,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,169 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-15 19:19:52,171 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 [2021-10-15 19:19:52,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-15 19:19:52,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,199 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-15 19:19:52,200 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 [2021-10-15 19:19:52,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-15 19:19:52,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,230 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-15 19:19:52,231 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 [2021-10-15 19:19:52,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:52,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:52,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:52,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,261 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,276 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 [2021-10-15 19:19:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-15 19:19:52,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:52,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:52,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,352 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,354 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 [2021-10-15 19:19:52,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:52,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:52,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-15 19:19:52,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,425 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,428 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 [2021-10-15 19:19:52,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:52,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:52,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:52,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-15 19:19:52,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:52,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:52,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:19:52,606 INFO L443 ModelExtractionUtils]: Simplification made 32 calls to the SMT solver. [2021-10-15 19:19:52,606 INFO L444 ModelExtractionUtils]: 25 out of 64 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-15 19:19:52,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:52,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:52,607 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:52,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:19:52,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-15 19:19:52,641 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:19:52,641 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:19:52,641 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_3, ULTIMATE.start_substring_~pt~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_3 - 1*ULTIMATE.start_substring_~pt~0.offset Supporting invariants [] [2021-10-15 19:19:52,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:52,813 INFO L297 tatePredicateManager]: 32 out of 34 supporting invariants were superfluous and have been removed [2021-10-15 19:19:52,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:52,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-15 19:19:52,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:53,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-15 19:19:53,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:53,060 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 [2021-10-15 19:19:53,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-15 19:19:53,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 67 states and 86 transitions. Complement of second has 9 states. [2021-10-15 19:19:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:19:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-10-15 19:19:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-10-15 19:19:53,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-15 19:19:53,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:53,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-15 19:19:53,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:53,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-15 19:19:53,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:19:53,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 86 transitions. [2021-10-15 19:19:53,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-15 19:19:53,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 56 states and 74 transitions. [2021-10-15 19:19:53,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-15 19:19:53,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-15 19:19:53,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 74 transitions. [2021-10-15 19:19:53,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:19:53,145 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 74 transitions. [2021-10-15 19:19:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 74 transitions. [2021-10-15 19:19:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2021-10-15 19:19:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 44 states have internal predecessors, (61), 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) [2021-10-15 19:19:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2021-10-15 19:19:53,150 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-10-15 19:19:53,150 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-10-15 19:19:53,150 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-15 19:19:53,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 61 transitions. [2021-10-15 19:19:53,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-15 19:19:53,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:53,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:53,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:19:53,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:19:53,152 INFO L791 eck$LassoCheckResult]: Stem: 1100#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1101#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 1111#L532 assume !(main_~length1~0 < 1); 1106#L532-2 assume !(main_~length2~0 < 1); 1096#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 1097#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 1122#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 1123#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1112#L541-4 main_~i~1 := 0; 1113#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 1098#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 1099#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1117#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 1118#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1107#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1108#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1119#L520-1 [2021-10-15 19:19:53,152 INFO L793 eck$LassoCheckResult]: Loop: 1119#L520-1 assume !substring_#t~short6; 1102#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 1103#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1119#L520-1 [2021-10-15 19:19:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:53,153 INFO L82 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2021-10-15 19:19:53,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:53,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601751644] [2021-10-15 19:19:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:53,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:53,166 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:53,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:53,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:53,181 INFO L82 PathProgramCache]: Analyzing trace with hash 92531, now seen corresponding path program 1 times [2021-10-15 19:19:53,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:53,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922382479] [2021-10-15 19:19:53,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:53,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:19:53,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:53,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922382479] [2021-10-15 19:19:53,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922382479] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:19:53,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:19:53,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:19:53,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127337636] [2021-10-15 19:19:53,192 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 19:19:53,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:53,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:19:53,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:19:53,193 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 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) [2021-10-15 19:19:53,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:53,204 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-10-15 19:19:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:19:53,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 54 transitions. [2021-10-15 19:19:53,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:53,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 33 states and 42 transitions. [2021-10-15 19:19:53,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-15 19:19:53,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-15 19:19:53,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-10-15 19:19:53,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:19:53,207 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-10-15 19:19:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-10-15 19:19:53,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-10-15 19:19:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 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) [2021-10-15 19:19:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-10-15 19:19:53,210 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-15 19:19:53,210 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-15 19:19:53,210 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-15 19:19:53,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-10-15 19:19:53,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:53,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:53,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:53,212 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] [2021-10-15 19:19:53,212 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:19:53,212 INFO L791 eck$LassoCheckResult]: Stem: 1194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1195#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 1204#L532 assume !(main_~length1~0 < 1); 1200#L532-2 assume !(main_~length2~0 < 1); 1190#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 1191#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 1215#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 1216#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1205#L541-4 main_~i~1 := 0; 1206#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 1192#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 1193#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1210#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 1211#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1217#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1199#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1213#L520-1 assume !substring_#t~short6; 1214#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 1209#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 1207#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 1208#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1201#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1197#L520-5 [2021-10-15 19:19:53,212 INFO L793 eck$LassoCheckResult]: Loop: 1197#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1212#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 1196#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 1197#L520-5 [2021-10-15 19:19:53,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:53,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1389384631, now seen corresponding path program 1 times [2021-10-15 19:19:53,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:53,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055525021] [2021-10-15 19:19:53,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:53,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 19:19:53,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:53,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055525021] [2021-10-15 19:19:53,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055525021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:19:53,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:19:53,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:19:53,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156113108] [2021-10-15 19:19:53,253 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:19:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:53,254 INFO L82 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 2 times [2021-10-15 19:19:53,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:53,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607144731] [2021-10-15 19:19:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:53,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:53,259 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:53,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:53,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:19:53,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:19:53,407 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-10-15 19:19:53,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:53,432 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-10-15 19:19:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 19:19:53,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-10-15 19:19:53,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:53,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 31 states and 38 transitions. [2021-10-15 19:19:53,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-15 19:19:53,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-15 19:19:53,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-10-15 19:19:53,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:19:53,434 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-15 19:19:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-10-15 19:19:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-15 19:19:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 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) [2021-10-15 19:19:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-10-15 19:19:53,437 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-15 19:19:53,437 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-15 19:19:53,437 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-15 19:19:53,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-10-15 19:19:53,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:53,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:53,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:53,439 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] [2021-10-15 19:19:53,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:19:53,439 INFO L791 eck$LassoCheckResult]: Stem: 1267#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1268#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 1276#L532 assume !(main_~length1~0 < 1); 1275#L532-2 assume !(main_~length2~0 < 1); 1265#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 1266#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 1289#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 1290#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1279#L541-4 main_~i~1 := 0; 1280#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 1269#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 1270#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1284#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 1285#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1278#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1274#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1287#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 1288#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 1283#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 1281#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 1282#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1277#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1272#L520-5 [2021-10-15 19:19:53,439 INFO L793 eck$LassoCheckResult]: Loop: 1272#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1286#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 1271#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 1272#L520-5 [2021-10-15 19:19:53,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:53,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1446642933, now seen corresponding path program 2 times [2021-10-15 19:19:53,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:53,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344307487] [2021-10-15 19:19:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:53,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:19:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 19:19:53,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:19:53,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344307487] [2021-10-15 19:19:53,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344307487] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 19:19:53,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510543500] [2021-10-15 19:19:53,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-15 19:19:53,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 19:19:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:53,676 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 19:19:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-10-15 19:19:53,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:53,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-15 19:19:53,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-15 19:19:53,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-15 19:19:53,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:19:53,881 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 [2021-10-15 19:19:54,077 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-10-15 19:19:54,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-10-15 19:19:54,469 INFO L354 Elim1Store]: treesize reduction 42, result has 6.7 percent of original size [2021-10-15 19:19:54,469 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 38 treesize of output 23 [2021-10-15 19:19:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-15 19:19:54,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510543500] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 19:19:54,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 19:19:54,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-15 19:19:54,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451921919] [2021-10-15 19:19:54,488 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:19:54,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:54,488 INFO L82 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 3 times [2021-10-15 19:19:54,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:54,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210947547] [2021-10-15 19:19:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:54,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:54,494 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:54,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:54,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:19:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-15 19:19:54,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-10-15 19:19:54,633 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 16 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 16 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) [2021-10-15 19:19:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:19:55,004 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2021-10-15 19:19:55,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-15 19:19:55,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2021-10-15 19:19:55,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:55,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 34 states and 41 transitions. [2021-10-15 19:19:55,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-15 19:19:55,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-15 19:19:55,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-10-15 19:19:55,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:19:55,007 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-15 19:19:55,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-10-15 19:19:55,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-15 19:19:55,009 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) [2021-10-15 19:19:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-10-15 19:19:55,009 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-15 19:19:55,009 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-15 19:19:55,010 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-15 19:19:55,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-10-15 19:19:55,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:19:55,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:19:55,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:19:55,011 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] [2021-10-15 19:19:55,011 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:19:55,012 INFO L791 eck$LassoCheckResult]: Stem: 1445#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1446#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 1457#L532 assume !(main_~length1~0 < 1); 1453#L532-2 assume !(main_~length2~0 < 1); 1443#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 1444#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 1468#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 1469#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 1470#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 1473#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1458#L541-4 main_~i~1 := 0; 1459#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 1447#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 1448#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1463#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 1464#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1471#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1452#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1466#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 1467#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 1462#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 1460#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 1461#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 1454#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 1450#L520-5 [2021-10-15 19:19:55,012 INFO L793 eck$LassoCheckResult]: Loop: 1450#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 1465#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 1449#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 1450#L520-5 [2021-10-15 19:19:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1546919447, now seen corresponding path program 3 times [2021-10-15 19:19:55,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:55,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191439390] [2021-10-15 19:19:55,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:55,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,059 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:55,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:55,082 INFO L82 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 4 times [2021-10-15 19:19:55,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:55,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257432390] [2021-10-15 19:19:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:55,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:19:55,094 INFO L82 PathProgramCache]: Analyzing trace with hash 721898201, now seen corresponding path program 1 times [2021-10-15 19:19:55,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:19:55,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887853975] [2021-10-15 19:19:55,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:19:55,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:19:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,127 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:19:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:19:55,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:19:57,374 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:19:57,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:19:57,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:19:57,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:19:57,375 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:19:57,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:57,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:19:57,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:19:57,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration11_Lasso [2021-10-15 19:19:57,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:19:57,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:19:57,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:57,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:58,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:19:59,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:19:59,803 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:19:59,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:59,805 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:59,820 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 [2021-10-15 19:19:59,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-15 19:19:59,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:59,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:59,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:59,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:59,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:59,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:59,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:59,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:59,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:59,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:59,864 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:59,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-15 19:19:59,866 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 [2021-10-15 19:19:59,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:59,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:59,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:59,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:59,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:59,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:59,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:59,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:59,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:59,897 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:59,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-15 19:19:59,898 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 [2021-10-15 19:19:59,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:59,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:59,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:59,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:59,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:59,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:59,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:59,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:59,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:59,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:59,936 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:59,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-15 19:19:59,939 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 [2021-10-15 19:19:59,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:59,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:59,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:59,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:59,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:19:59,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:19:59,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:59,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:59,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:19:59,970 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:19:59,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-15 19:19:59,971 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 [2021-10-15 19:19:59,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:19:59,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:19:59,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:19:59,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:19:59,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:19:59,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:19:59,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:19:59,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:19:59,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-15 19:19:59,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:19:59,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,000 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-15 19:20:00,001 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 [2021-10-15 19:20:00,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-15 19:20:00,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,029 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-15 19:20:00,030 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 [2021-10-15 19:20:00,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:00,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:00,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-15 19:20:00,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,062 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-15 19:20:00,063 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 [2021-10-15 19:20:00,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-15 19:20:00,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,093 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-15 19:20:00,094 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 [2021-10-15 19:20:00,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:00,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,123 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-15 19:20:00,125 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 [2021-10-15 19:20:00,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-15 19:20:00,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,154 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-15 19:20:00,155 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 [2021-10-15 19:20:00,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-15 19:20:00,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,185 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-15 19:20:00,186 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 [2021-10-15 19:20:00,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-15 19:20:00,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,214 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-15 19:20:00,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:20:00,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-15 19:20:00,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,245 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-15 19:20:00,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:20:00,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-15 19:20:00,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,276 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-15 19:20:00,278 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 [2021-10-15 19:20:00,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-15 19:20:00,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,306 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-15 19:20:00,312 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 [2021-10-15 19:20:00,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:00,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:00,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:00,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-15 19:20:00,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,343 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-15 19:20:00,344 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 [2021-10-15 19:20:00,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:00,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:00,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-15 19:20:00,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,375 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-15 19:20:00,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:20:00,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:00,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:00,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-15 19:20:00,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,413 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-15 19:20:00,414 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 [2021-10-15 19:20:00,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:00,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:00,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:00,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:00,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,493 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,500 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 [2021-10-15 19:20:00,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:00,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:00,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:00,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:00,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:00,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:00,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-15 19:20:00,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:20:00,625 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-15 19:20:00,625 INFO L444 ModelExtractionUtils]: 13 out of 70 variables were initially zero. Simplification set additionally 52 variables to zero. [2021-10-15 19:20:00,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:00,627 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:00,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:20:00,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-15 19:20:00,660 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 19:20:00,660 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:20:00,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_5, ULTIMATE.start_substring_~ps2~0.offset) = 3*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_5 - 2*ULTIMATE.start_substring_~ps2~0.offset Supporting invariants [-2*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_5 + 3*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 >= 0] [2021-10-15 19:20:00,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:00,971 INFO L297 tatePredicateManager]: 50 out of 53 supporting invariants were superfluous and have been removed [2021-10-15 19:20:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:01,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-15 19:20:01,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:01,074 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 [2021-10-15 19:20:01,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-10-15 19:20:01,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:01,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-15 19:20:01,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:01,871 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-15 19:20:01,871 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:02,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) Result 63 states and 75 transitions. Complement of second has 15 states. [2021-10-15 19:20:02,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-15 19:20:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 39 transitions. [2021-10-15 19:20:02,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 39 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-15 19:20:02,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:02,274 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 19:20:02,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-15 19:20:02,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:02,364 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-15 19:20:02,364 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 [2021-10-15 19:20:02,379 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 [2021-10-15 19:20:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:03,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-15 19:20:03,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:03,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-15 19:20:03,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:03,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) Result 63 states and 75 transitions. Complement of second has 15 states. [2021-10-15 19:20:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-15 19:20:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 39 transitions. [2021-10-15 19:20:03,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 39 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-15 19:20:03,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:03,494 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 19:20:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:03,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-15 19:20:03,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:03,599 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 [2021-10-15 19:20:03,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-10-15 19:20:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:04,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-15 19:20:04,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:04,319 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-15 19:20:04,319 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:04,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) Result 77 states and 92 transitions. Complement of second has 14 states. [2021-10-15 19:20:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-15 19:20:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-10-15 19:20:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 53 transitions. [2021-10-15 19:20:04,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-15 19:20:04,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:04,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 27 letters. Loop has 3 letters. [2021-10-15 19:20:04,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:04,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-15 19:20:04,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:04,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 92 transitions. [2021-10-15 19:20:04,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:20:04,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 40 states and 48 transitions. [2021-10-15 19:20:04,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-15 19:20:04,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-15 19:20:04,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2021-10-15 19:20:04,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:20:04,698 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-10-15 19:20:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2021-10-15 19:20:04,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2021-10-15 19:20:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 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) [2021-10-15 19:20:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-10-15 19:20:04,700 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-15 19:20:04,700 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-15 19:20:04,701 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-15 19:20:04,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-10-15 19:20:04,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:20:04,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:20:04,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:20:04,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:20:04,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:20:04,703 INFO L791 eck$LassoCheckResult]: Stem: 2281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2282#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, 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~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 2290#L532 assume !(main_~length1~0 < 1); 2287#L532-2 assume !(main_~length2~0 < 1); 2277#L535-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 2278#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 2300#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 2301#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 2302#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 2306#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 2308#L541-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 2307#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 2291#L541-4 main_~i~1 := 0; 2292#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 2279#L547-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 2280#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 2296#L547-4 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);substring_#in~s.base, substring_#in~s.offset, substring_#in~t.base, substring_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc substring_#res;havoc substring_#t~post7.base, substring_#t~post7.offset, substring_#t~post8.base, substring_#t~post8.offset, substring_#t~mem3, substring_#t~mem4, substring_#t~mem5, substring_#t~short6, substring_#t~mem9, substring_#t~post10.base, substring_#t~post10.offset, substring_~ps2~0.base, substring_~ps2~0.offset, substring_~pt~0.base, substring_~pt~0.offset, substring_#t~mem2, substring_~s.base, substring_~s.offset, substring_~t.base, substring_~t.offset, substring_~ps~0.base, substring_~ps~0.offset;substring_~s.base, substring_~s.offset := substring_#in~s.base, substring_#in~s.offset;substring_~t.base, substring_~t.offset := substring_#in~t.base, substring_#in~t.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_~s.base, substring_~s.offset; 2297#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 2289#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 2286#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 2311#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 2309#L520-3 assume !substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6; 2295#L520-6 call substring_#t~mem9 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1); 2293#L524 assume !(0 == substring_#t~mem9);havoc substring_#t~mem9;substring_#t~post10.base, substring_#t~post10.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~ps~0.base, substring_~ps~0.offset := substring_#t~post10.base, 1 + substring_#t~post10.offset;havoc substring_#t~post10.base, substring_#t~post10.offset; 2294#L517-3 call substring_#t~mem2 := read~int(substring_~ps~0.base, substring_~ps~0.offset, 1); 2288#L517-1 assume !!(0 != substring_#t~mem2);havoc substring_#t~mem2;substring_~ps2~0.base, substring_~ps2~0.offset := substring_~ps~0.base, substring_~ps~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_~t.base, substring_~t.offset; 2284#L520-5 [2021-10-15 19:20:04,703 INFO L793 eck$LassoCheckResult]: Loop: 2284#L520-5 call substring_#t~mem3 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);substring_#t~short6 := 0 != substring_#t~mem3; 2298#L520-1 assume substring_#t~short6;call substring_#t~mem4 := read~int(substring_~pt~0.base, substring_~pt~0.offset, 1);call substring_#t~mem5 := read~int(substring_~ps2~0.base, substring_~ps2~0.offset, 1);substring_#t~short6 := substring_#t~mem4 == substring_#t~mem5; 2283#L520-3 assume !!substring_#t~short6;havoc substring_#t~mem3;havoc substring_#t~mem4;havoc substring_#t~mem5;havoc substring_#t~short6;substring_#t~post7.base, substring_#t~post7.offset := substring_~pt~0.base, substring_~pt~0.offset;substring_~pt~0.base, substring_~pt~0.offset := substring_#t~post7.base, 1 + substring_#t~post7.offset;havoc substring_#t~post7.base, substring_#t~post7.offset;substring_#t~post8.base, substring_#t~post8.offset := substring_~ps2~0.base, substring_~ps2~0.offset;substring_~ps2~0.base, substring_~ps2~0.offset := substring_#t~post8.base, 1 + substring_#t~post8.offset;havoc substring_#t~post8.base, substring_#t~post8.offset; 2284#L520-5 [2021-10-15 19:20:04,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:04,703 INFO L82 PathProgramCache]: Analyzing trace with hash 871598407, now seen corresponding path program 4 times [2021-10-15 19:20:04,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:20:04,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799237502] [2021-10-15 19:20:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:20:04,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:20:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,723 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:20:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:20:04,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:04,743 INFO L82 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 5 times [2021-10-15 19:20:04,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:20:04,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554267398] [2021-10-15 19:20:04,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:20:04,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:20:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,750 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:20:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:20:04,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:04,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1584070981, now seen corresponding path program 2 times [2021-10-15 19:20:04,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:20:04,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072884736] [2021-10-15 19:20:04,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:20:04,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:20:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:20:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:20:04,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:20:07,751 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:20:07,751 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:20:07,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:20:07,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:20:07,752 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:20:07,752 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:07,752 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:20:07,752 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:20:07,752 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration12_Lasso [2021-10-15 19:20:07,752 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:20:07,752 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:20:07,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:07,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:08,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:20:10,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:20:10,041 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:20:10,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,042 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,044 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 [2021-10-15 19:20:10,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-15 19:20:10,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,087 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-15 19:20:10,088 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 [2021-10-15 19:20:10,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-15 19:20:10,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,120 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-15 19:20:10,121 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 [2021-10-15 19:20:10,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,151 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-15 19:20:10,152 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 [2021-10-15 19:20:10,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,182 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-15 19:20:10,183 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 [2021-10-15 19:20:10,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,212 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-15 19:20:10,213 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 [2021-10-15 19:20:10,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-15 19:20:10,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,242 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-15 19:20:10,244 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 [2021-10-15 19:20:10,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,275 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-15 19:20:10,276 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 [2021-10-15 19:20:10,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-15 19:20:10,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,307 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-15 19:20:10,308 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 [2021-10-15 19:20:10,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,338 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-15 19:20:10,344 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 [2021-10-15 19:20:10,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,392 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-15 19:20:10,394 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 [2021-10-15 19:20:10,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,424 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-15 19:20:10,425 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 [2021-10-15 19:20:10,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,455 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-15 19:20:10,456 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 [2021-10-15 19:20:10,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,485 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-15 19:20:10,486 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 [2021-10-15 19:20:10,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:20:10,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:20:10,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:20:10,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,516 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-15 19:20:10,517 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 [2021-10-15 19:20:10,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-15 19:20:10,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,548 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-15 19:20:10,549 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 [2021-10-15 19:20:10,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,597 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-15 19:20:10,598 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 [2021-10-15 19:20:10,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,629 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-15 19:20:10,631 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 [2021-10-15 19:20:10,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:20:10,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-15 19:20:10,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,665 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-15 19:20:10,666 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 [2021-10-15 19:20:10,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:20:10,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:20:10,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:20:10,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:20:10,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:20:10,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:20:10,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:20:10,781 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-15 19:20:10,781 INFO L444 ModelExtractionUtils]: 53 out of 70 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-10-15 19:20:10,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:20:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:20:10,783 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:20:10,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-15 19:20:10,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:20:10,792 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:20:10,792 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:20:10,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_6, ULTIMATE.start_substring_~ps2~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_6 - 1*ULTIMATE.start_substring_~ps2~0.offset Supporting invariants [] [2021-10-15 19:20:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:10,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:11,070 INFO L297 tatePredicateManager]: 51 out of 52 supporting invariants were superfluous and have been removed [2021-10-15 19:20:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:11,346 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 [2021-10-15 19:20:11,346 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 57 transitions. Complement of second has 9 states. [2021-10-15 19:20:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:20:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-15 19:20:11,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 26 letters. Loop has 3 letters. [2021-10-15 19:20:11,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:11,410 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 19:20:11,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:11,650 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 [2021-10-15 19:20:11,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,693 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 57 transitions. Complement of second has 9 states. [2021-10-15 19:20:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:20:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-15 19:20:11,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 26 letters. Loop has 3 letters. [2021-10-15 19:20:11,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:11,694 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-15 19:20:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:20:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:20:11,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:20:11,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:20:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:20:11,944 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 [2021-10-15 19:20:11,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,994 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 8 states. [2021-10-15 19:20:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:20:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-15 19:20:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-10-15 19:20:11,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 26 letters. Loop has 3 letters. [2021-10-15 19:20:11,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:11,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 29 letters. Loop has 3 letters. [2021-10-15 19:20:11,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:11,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 26 letters. Loop has 6 letters. [2021-10-15 19:20:11,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:20:11,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2021-10-15 19:20:11,997 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:20:11,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2021-10-15 19:20:11,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:20:11,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:20:11,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:20:11,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:20:11,998 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:20:11,998 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:20:11,998 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:20:11,998 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-15 19:20:11,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:20:11,999 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:20:11,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:20:12,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:20:12 BoogieIcfgContainer [2021-10-15 19:20:12,005 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:20:12,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:20:12,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:20:12,006 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:20:12,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:19:36" (3/4) ... [2021-10-15 19:20:12,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:20:12,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:20:12,011 INFO L168 Benchmark]: Toolchain (without parser) took 36228.82 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 76.8 MB in the beginning and 79.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 115.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:12,011 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:12,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.07 ms. Allocated memory is still 107.0 MB. Free memory was 76.4 MB in the beginning and 77.0 MB in the end (delta: -576.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:12,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 74.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:12,012 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 73.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:12,013 INFO L168 Benchmark]: RCFGBuilder took 449.94 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 62.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:12,013 INFO L168 Benchmark]: BuchiAutomizer took 35213.10 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 62.0 MB in the beginning and 79.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:20:12,014 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 226.5 MB. Free memory is still 79.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:20:12,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.07 ms. Allocated memory is still 107.0 MB. Free memory was 76.4 MB in the beginning and 77.0 MB in the end (delta: -576.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 74.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 73.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 449.94 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 62.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 35213.10 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 62.0 MB in the beginning and 79.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 103.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.41 ms. Allocated memory is still 226.5 MB. Free memory is still 79.2 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 (6 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * nondetString2 and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * ps and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * pt and consists of 6 locations. One nondeterministic module has affine ranking function -2 * ps2 + 3 * unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 12 locations. One nondeterministic module has affine ranking function -1 * ps2 + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 6 locations. 6 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.1s and 13 iterations. TraceHistogramMax:3. Analysis of lassos took 28.5s. Construction of modules took 0.7s. Büchi inclusion checks took 5.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 6. Automata minimization 36.9ms AutomataMinimizationTime, 11 MinimizatonAttempts, 22 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 45 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 267 SDtfs, 612 SDslu, 621 SDs, 0 SdLazy, 816 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 782.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital331 mio100 ax107 hnf99 lsp89 ukn68 mio100 lsp51 div100 bol100 ite100 ukn100 eq186 hnf89 smp96 dnf155 smp89 tf100 neg97 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 166ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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! [2021-10-15 19:20:12,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2021-10-15 19:20:12,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-15 19:20:12,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0f4d4f3-45b5-4fc9-8b94-dc0a9cd58904/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...