./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt --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 f10d5178d15d886f7ae857469faf20c98bafd5fa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:34:54,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:34:54,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:34:54,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:34:54,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:34:54,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:34:54,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:34:54,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:34:54,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:34:54,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:34:54,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:34:54,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:34:54,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:34:54,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:34:54,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:34:54,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:34:54,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:34:54,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:34:54,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:34:54,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:34:54,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:34:54,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:34:54,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:34:54,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:34:54,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:34:54,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:34:54,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:34:54,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:34:54,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:34:54,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:34:54,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:34:54,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:34:54,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:34:54,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:34:54,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:34:54,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:34:54,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:34:54,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:34:54,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:34:54,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:34:54,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:34:54,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:34:54,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:34:54,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:34:54,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:34:54,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:34:54,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:34:54,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:34:54,595 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:34:54,596 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:34:54,596 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:34:54,596 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:34:54,597 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:34:54,597 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:34:54,598 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:34:54,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:34:54,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:34:54,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:34:54,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:34:54,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:34:54,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:34:54,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:34:54,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:34:54,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:34:54,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:34:54,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:34:54,600 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:34:54,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:34:54,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:34:54,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:34:54,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:34:54,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:34:54,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:34:54,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:34:54,605 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:34:54,605 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_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f10d5178d15d886f7ae857469faf20c98bafd5fa [2021-10-13 00:34:54,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:34:54,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:34:54,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:34:54,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:34:54,939 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:34:54,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2021-10-13 00:34:55,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/data/41c94ffaa/74231662a5594dab99f9b8c4be44228e/FLAG7c21a086d [2021-10-13 00:34:55,551 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:34:55,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2021-10-13 00:34:55,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/data/41c94ffaa/74231662a5594dab99f9b8c4be44228e/FLAG7c21a086d [2021-10-13 00:34:55,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/data/41c94ffaa/74231662a5594dab99f9b8c4be44228e [2021-10-13 00:34:55,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:34:55,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:34:55,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:34:55,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:34:55,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:34:55,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:55" (1/1) ... [2021-10-13 00:34:55,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0c5420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:55, skipping insertion in model container [2021-10-13 00:34:55,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:55" (1/1) ... [2021-10-13 00:34:55,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:34:56,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:34:56,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:34:56,379 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:34:56,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:34:56,440 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:34:56,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56 WrapperNode [2021-10-13 00:34:56,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:34:56,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:34:56,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:34:56,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:34:56,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:34:56,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:34:56,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:34:56,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:34:56,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:34:56,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:34:56,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:34:56,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:34:56,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (1/1) ... [2021-10-13 00:34:56,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:56,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:56,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:56,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:34:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:34:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:34:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:34:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:34:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:34:56,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:34:56,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:34:56,919 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:34:56,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:56 BoogieIcfgContainer [2021-10-13 00:34:56,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:34:56,922 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:34:56,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:34:56,926 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:34:56,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:34:56,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:34:55" (1/3) ... [2021-10-13 00:34:56,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30d1882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:34:56, skipping insertion in model container [2021-10-13 00:34:56,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:34:56,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:56" (2/3) ... [2021-10-13 00:34:56,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30d1882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:34:56, skipping insertion in model container [2021-10-13 00:34:56,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:34:56,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:56" (3/3) ... [2021-10-13 00:34:56,930 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-2.i [2021-10-13 00:34:56,992 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:34:56,992 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:34:56,992 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:34:56,992 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:34:56,992 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:34:56,992 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:34:56,992 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:34:56,993 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:34:57,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:57,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:34:57,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:34:57,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:34:57,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:34:57,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:34:57,047 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:34:57,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:57,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:34:57,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:34:57,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:34:57,052 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:34:57,052 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:34:57,059 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~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 8#L529true assume !(main_~length~0 < 1); 16#L529-2true assume !(main_~n~0 < 1); 3#L532-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 7#L537-3true [2021-10-13 00:34:57,059 INFO L793 eck$LassoCheckResult]: Loop: 7#L537-3true assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~nondetArea~0.base, main_~nondetArea~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 14#L537-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 7#L537-3true [2021-10-13 00:34:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 00:34:57,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:57,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778175683] [2021-10-13 00:34:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:57,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,199 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:34:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,250 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:34:57,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:57,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-13 00:34:57,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:57,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786383012] [2021-10-13 00:34:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:57,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,279 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:34:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:34:57,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:57,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-13 00:34:57,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:57,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67107115] [2021-10-13 00:34:57,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:57,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,329 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:34:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:57,348 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:34:57,680 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:34:57,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:34:57,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:34:57,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:34:57,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:34:57,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:57,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:34:57,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:34:57,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration1_Lasso [2021-10-13 00:34:57,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:34:57,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:34:57,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:57,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:34:58,139 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:34:58,143 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:34:58,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,152 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 [2021-10-13 00:34:58,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:34:58,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:34:58,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:34:58,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:34:58,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:34:58,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,501 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:34:58,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:34:58,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,631 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 [2021-10-13 00:34:58,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:34:58,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:34:58,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 00:34:58,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:34:58,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:34:58,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:34:58,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,851 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:34:58,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,932 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:34:58,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:58,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:58,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:58,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:58,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:58,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:58,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:58,970 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:58,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:34:58,971 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 [2021-10-13 00:34:58,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:58,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:58,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:58,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:58,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:58,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:58,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,014 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:59,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:59,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:59,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:59,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:34:59,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,076 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:34:59,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:59,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:34:59,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:34:59,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:34:59,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:34:59,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,116 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:34:59,121 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 [2021-10-13 00:34:59,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:59,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:59,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,182 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:34:59,183 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 [2021-10-13 00:34:59,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:59,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:59,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,237 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:34:59,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:59,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:59,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:59,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:34:59,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,331 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:34:59,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:34:59,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:34:59,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:34:59,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:34:59,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:34:59,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:34:59,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:34:59,378 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:34:59,421 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:34:59,422 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-13 00:34:59,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:34:59,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:59,428 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:59,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:34:59,439 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:34:59,471 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:34:59,471 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:34:59,472 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-13 00:34:59,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:34:59,517 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-13 00:34:59,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:34:59,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:34:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:59,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:34:59,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:34:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:34:59,649 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 [2021-10-13 00:34:59,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-13 00:34:59,693 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 42 states and 59 transitions. Complement of second has 7 states. [2021-10-13 00:34:59,694 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 [2021-10-13 00:34:59,695 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) [2021-10-13 00:34:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2021-10-13 00:34:59,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:34:59,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:34:59,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:34:59,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:34:59,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:34:59,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:34:59,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2021-10-13 00:34:59,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:34:59,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 14 states and 18 transitions. [2021-10-13 00:34:59,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-13 00:34:59,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 00:34:59,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2021-10-13 00:34:59,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:34:59,710 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-13 00:34:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2021-10-13 00:34:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-13 00:34:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 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) [2021-10-13 00:34:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-10-13 00:34:59,734 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-13 00:34:59,735 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-13 00:34:59,735 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:34:59,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2021-10-13 00:34:59,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:34:59,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:34:59,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:34:59,736 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:59,737 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:34:59,737 INFO L791 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 123#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 128#L529 assume !(main_~length~0 < 1); 129#L529-2 assume !(main_~n~0 < 1); 120#L532-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 121#L537-3 assume !(main_~i~0 < main_~n~0); 124#L537-4 cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 125#L516 assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 130#L518-4 [2021-10-13 00:34:59,737 INFO L793 eck$LassoCheckResult]: Loop: 130#L518-4 cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 131#L519 assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 133#L518-1 cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 132#L518-2 assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 130#L518-4 [2021-10-13 00:34:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2021-10-13 00:34:59,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:59,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602387324] [2021-10-13 00:34:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:59,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:34:59,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:59,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602387324] [2021-10-13 00:34:59,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602387324] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:59,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:59,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:34:59,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713707119] [2021-10-13 00:34:59,794 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:34:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:59,795 INFO L82 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 1 times [2021-10-13 00:34:59,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:59,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376696715] [2021-10-13 00:34:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:59,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:59,811 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:34:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:59,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:34:59,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:34:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:34:59,953 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:59,983 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2021-10-13 00:34:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:34:59,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-13 00:34:59,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:34:59,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2021-10-13 00:34:59,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 00:34:59,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 00:34:59,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-10-13 00:34:59,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:34:59,997 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-13 00:34:59,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-10-13 00:34:59,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-13 00:34:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-10-13 00:34:59,999 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-13 00:35:00,000 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-13 00:35:00,000 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:35:00,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-10-13 00:35:00,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:00,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:00,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:00,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:35:00,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:35:00,003 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 164#L529 assume !(main_~length~0 < 1); 165#L529-2 assume !(main_~n~0 < 1); 156#L532-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 157#L537-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~nondetArea~0.base, main_~nondetArea~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 162#L537-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 163#L537-3 assume !(main_~i~0 < main_~n~0); 160#L537-4 cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 161#L516 assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 166#L518-4 [2021-10-13 00:35:00,003 INFO L793 eck$LassoCheckResult]: Loop: 166#L518-4 cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 167#L519 assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 169#L518-1 cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 168#L518-2 assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 166#L518-4 [2021-10-13 00:35:00,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2021-10-13 00:35:00,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984741942] [2021-10-13 00:35:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,036 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 2 times [2021-10-13 00:35:00,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492190506] [2021-10-13 00:35:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,081 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1308516218, now seen corresponding path program 1 times [2021-10-13 00:35:00,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067410704] [2021-10-13 00:35:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:00,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:00,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067410704] [2021-10-13 00:35:00,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067410704] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:00,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074042184] [2021-10-13 00:35:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:35:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:00,241 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:35:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-13 00:35:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:00,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:35:00,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:00,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074042184] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:00,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:35:00,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-13 00:35:00,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438189427] [2021-10-13 00:35:00,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:00,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:35:00,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:35:00,506 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 10 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) [2021-10-13 00:35:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:00,610 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2021-10-13 00:35:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:35:00,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2021-10-13 00:35:00,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:00,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 17 states and 19 transitions. [2021-10-13 00:35:00,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 00:35:00,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 00:35:00,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2021-10-13 00:35:00,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:35:00,613 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-10-13 00:35:00,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2021-10-13 00:35:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-13 00:35:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 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) [2021-10-13 00:35:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-10-13 00:35:00,615 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-10-13 00:35:00,615 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-10-13 00:35:00,615 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:35:00,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2021-10-13 00:35:00,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:00,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:00,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:00,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:35:00,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:35:00,617 INFO L791 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 262#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 268#L529 assume !(main_~length~0 < 1); 269#L529-2 assume !(main_~n~0 < 1); 259#L532-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 260#L537-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~nondetArea~0.base, main_~nondetArea~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 265#L537-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 266#L537-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~nondetArea~0.base, main_~nondetArea~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 267#L537-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 273#L537-3 assume !(main_~i~0 < main_~n~0); 263#L537-4 cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 264#L516 assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 270#L518-4 [2021-10-13 00:35:00,617 INFO L793 eck$LassoCheckResult]: Loop: 270#L518-4 cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 271#L519 assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 274#L518-1 cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 272#L518-2 assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 270#L518-4 [2021-10-13 00:35:00,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times [2021-10-13 00:35:00,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747502182] [2021-10-13 00:35:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,657 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:00,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 3 times [2021-10-13 00:35:00,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144701470] [2021-10-13 00:35:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,683 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash -24116136, now seen corresponding path program 2 times [2021-10-13 00:35:00,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:00,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052870154] [2021-10-13 00:35:00,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:00,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,712 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:00,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:00,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:01,305 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:01,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:01,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:01,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:01,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:01,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:01,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:01,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:01,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration4_Lasso [2021-10-13 00:35:01,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:01,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:01,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:01,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:02,084 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:02,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:02,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:02,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:02,089 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:02,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:02,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:02,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:02,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:02,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:02,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:02,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:02,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:02,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:35:02,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:02,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:02,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:02,148 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:02,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:35:02,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:02,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:02,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:02,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:02,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:02,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:02,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:02,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:02,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:02,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 00:35:02,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:02,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:02,179 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:02,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:35:02,186 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 [2021-10-13 00:35:02,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:02,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:02,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:02,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:02,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:02,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:02,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:02,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:02,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:02,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:02,271 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:02,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:02,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:02,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:02,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:02,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:02,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:02,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:02,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:35:02,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:02,357 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:35:02,357 INFO L444 ModelExtractionUtils]: 27 out of 37 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:35:02,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:02,359 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:02,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:02,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:35:02,387 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:35:02,388 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:02,388 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetArea~0.base)_2, ULTIMATE.start_cmemchr_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetArea~0.base)_2 - 1*ULTIMATE.start_cmemchr_~p~0.offset Supporting invariants [] [2021-10-13 00:35:02,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:02,436 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-13 00:35:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:02,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:02,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:02,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:35:02,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:02,607 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 [2021-10-13 00:35:02,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-13 00:35:02,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 20 states and 22 transitions. Complement of second has 5 states. [2021-10-13 00:35:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:35:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-13 00:35:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-13 00:35:02,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-13 00:35:02,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:02,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-13 00:35:02,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:02,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2021-10-13 00:35:02,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:02,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2021-10-13 00:35:02,643 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:35:02,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:35:02,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:35:02,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:35:02,644 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:35:02,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:35:02,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:35:02,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:35:02,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:35:02 BoogieIcfgContainer [2021-10-13 00:35:02,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:35:02,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:35:02,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:35:02,651 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:35:02,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:56" (3/4) ... [2021-10-13 00:35:02,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:35:02,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:35:02,656 INFO L168 Benchmark]: Toolchain (without parser) took 6674.63 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 77.2 MB in the beginning and 77.8 MB in the end (delta: -578.9 kB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,656 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:35:02,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.40 ms. Allocated memory is still 117.4 MB. Free memory was 77.1 MB in the beginning and 86.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.47 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 84.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,658 INFO L168 Benchmark]: Boogie Preprocessor took 53.32 ms. Allocated memory is still 117.4 MB. Free memory was 84.3 MB in the beginning and 83.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,658 INFO L168 Benchmark]: RCFGBuilder took 357.16 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 73.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,659 INFO L168 Benchmark]: BuchiAutomizer took 5727.75 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 73.3 MB in the beginning and 78.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:02,659 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 142.6 MB. Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:35:02,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.40 ms. Allocated memory is still 117.4 MB. Free memory was 77.1 MB in the beginning and 86.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.47 ms. Allocated memory is still 117.4 MB. Free memory was 86.4 MB in the beginning and 84.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.32 ms. Allocated memory is still 117.4 MB. Free memory was 84.3 MB in the beginning and 83.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 357.16 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 73.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5727.75 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 73.3 MB in the beginning and 78.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.79 ms. Allocated memory is still 142.6 MB. Free memory was 78.9 MB in the beginning and 77.8 MB in the end (delta: 1.0 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetArea] + -1 * p and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 14.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 52 SDtfs, 88 SDslu, 73 SDs, 0 SdLazy, 77 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital129 mio100 ax115 hnf99 lsp79 ukn85 mio100 lsp58 div125 bol100 ite100 ukn100 eq171 hnf81 smp95 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:35:02,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:02,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:03,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b017c07-70e8-4d5b-a54c-a704e07f02d0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...