./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/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_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/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 64bit --witnessprinter.graph.data.programhash fd4754e908bed6ae29d10e34d903201d1cfa0296 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:18:52,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:18:52,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:18:52,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:18:52,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:18:52,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:18:52,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:18:52,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:18:52,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:18:52,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:18:52,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:18:52,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:18:52,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:18:52,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:18:52,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:18:52,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:18:52,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:18:52,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:18:52,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:18:52,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:18:52,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:18:52,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:18:52,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:18:52,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:18:52,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:18:52,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:18:52,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:18:52,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:18:52,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:18:52,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:18:52,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:18:52,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:18:52,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:18:52,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:18:52,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:18:52,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:18:52,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:18:52,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:18:52,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:18:52,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:18:52,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:18:52,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:18:52,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:18:52,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:18:52,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:18:52,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:18:52,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:18:52,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:18:52,676 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:18:52,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:18:52,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:18:52,676 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:18:52,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:18:52,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:18:52,678 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:18:52,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:18:52,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:18:52,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:18:52,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:18:52,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:18:52,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:18:52,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:18:52,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:18:52,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:18:52,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:18:52,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:18:52,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:18:52,683 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_b3783ac9-df0b-4991-9299-fe55441a5b69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4754e908bed6ae29d10e34d903201d1cfa0296 [2021-10-13 00:18:52,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:18:52,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:18:52,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:18:52,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:18:52,957 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:18:52,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-13 00:18:53,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/data/cd53a5c65/a7e6586b13024a4d9538abc9546a0937/FLAG7d297f752 [2021-10-13 00:18:53,461 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:18:53,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-13 00:18:53,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/data/cd53a5c65/a7e6586b13024a4d9538abc9546a0937/FLAG7d297f752 [2021-10-13 00:18:53,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/data/cd53a5c65/a7e6586b13024a4d9538abc9546a0937 [2021-10-13 00:18:53,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:18:53,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:18:54,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:54,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:18:54,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:18:54,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:53" (1/1) ... [2021-10-13 00:18:54,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603bdf05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54, skipping insertion in model container [2021-10-13 00:18:54,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:53" (1/1) ... [2021-10-13 00:18:54,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:18:54,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:18:54,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:54,344 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:18:54,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:54,407 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:18:54,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54 WrapperNode [2021-10-13 00:18:54,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:54,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:54,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:18:54,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:18:54,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:54,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:18:54,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:18:54,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:18:54,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:18:54,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:18:54,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:18:54,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:18:54,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (1/1) ... [2021-10-13 00:18:54,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:54,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:54,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:18:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:18:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:18:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:18:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:18:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:18:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:18:54,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:18:54,795 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:18:54,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:54 BoogieIcfgContainer [2021-10-13 00:18:54,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:18:54,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:18:54,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:18:54,801 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:18:54,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:54,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:18:53" (1/3) ... [2021-10-13 00:18:54,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c29466f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:18:54, skipping insertion in model container [2021-10-13 00:18:54,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:54,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:54" (2/3) ... [2021-10-13 00:18:54,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c29466f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:18:54, skipping insertion in model container [2021-10-13 00:18:54,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:54,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:54" (3/3) ... [2021-10-13 00:18:54,805 INFO L389 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-10-13 00:18:54,845 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:18:54,846 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:18:54,846 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:18:54,846 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:18:54,846 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:18:54,846 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:18:54,846 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:18:54,846 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:18:54,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:18:54,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:18:54,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:54,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:54,885 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:18:54,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:18:54,885 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:18:54,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:18:54,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:18:54,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:54,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:54,890 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:18:54,890 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:18:54,895 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 11#L530true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L534true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 16#L514true assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 21#L514-2true assume strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 9#L515-4true [2021-10-13 00:18:54,896 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5.base, strlcpy_#t~post5.offset := strlcpy_~d~0.base, strlcpy_~d~0.offset;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_#t~post5.base, 1 + strlcpy_#t~post5.offset;strlcpy_#t~post6.base, strlcpy_#t~post6.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post6.base, 1 + strlcpy_#t~post6.offset;call strlcpy_#t~mem7 := read~int(strlcpy_#t~post6.base, strlcpy_#t~post6.offset, 1);call write~int(strlcpy_#t~mem7, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7);havoc strlcpy_#t~post5.base, strlcpy_#t~post5.offset;havoc strlcpy_#t~post6.base, strlcpy_#t~post6.offset;havoc strlcpy_#t~mem7; 6#L515-1true strlcpy_#t~pre4 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4 % 4294967296);havoc strlcpy_#t~pre4; 9#L515-4true [2021-10-13 00:18:54,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:54,901 INFO L82 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-10-13 00:18:54,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:54,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277921323] [2021-10-13 00:18:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:54,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,120 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:55,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-10-13 00:18:55,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:55,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986270454] [2021-10-13 00:18:55,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:55,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,211 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-10-13 00:18:55,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:55,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901847222] [2021-10-13 00:18:55,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:55,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,292 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:55,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:56,610 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:18:56,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:18:56,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:18:56,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:18:56,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:18:56,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:56,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:18:56,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:18:56,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-10-13 00:18:56,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:18:56,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:18:56,634 INFO 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 00:18:56,639 INFO 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 00:18:56,641 INFO 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 00:18:56,643 INFO 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 00:18:56,646 INFO 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 00:18:56,648 INFO 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 00:18:56,650 INFO 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 00:18:56,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,662 INFO 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 00:18:56,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:18:56,684 INFO 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 00:18:57,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:18:57,985 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:18:57,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:57,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:18:58,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:18:58,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:18:58,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:18:58,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:18:58,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:18:58,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:18:58,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:18:58,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:18:58,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:18:58,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:18:58,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:18:58,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:18:58,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:18:58,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:18:58,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,525 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:18:58,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,559 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:18:58,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:18:58,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,636 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:18:58,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,687 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:18:58,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,743 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:18:58,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,779 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:18:58,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,822 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:18:58,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,875 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:18:58,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,921 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:18:58,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:18:58,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:18:58,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:18:58,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:18:58,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:58,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:58,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:58,955 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:58,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:18:58,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:18:58,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:18:58,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:18:58,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:18:58,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:18:58,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:18:58,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:18:59,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:18:59,094 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-13 00:18:59,094 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-13 00:18:59,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:59,099 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:59,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:18:59,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:18:59,163 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:18:59,164 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:18:59,164 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_strlcpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_strlcpy_~d~0.offset Supporting invariants [] [2021-10-13 00:18:59,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:18:59,272 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-10-13 00:18:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:18:59,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:18:59,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:18:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:18:59,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:18:59,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:18:59,516 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 00:18:59,535 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-13 00:18:59,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:18:59,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 71 transitions. Complement of second has 8 states. [2021-10-13 00:18:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:18:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:18:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-10-13 00:18:59,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:18:59,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:18:59,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-13 00:18:59,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:18:59,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-13 00:18:59,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:18:59,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-10-13 00:18:59,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:18:59,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-10-13 00:18:59,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 00:18:59,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 00:18:59,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-10-13 00:18:59,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:18:59,667 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-13 00:18:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-10-13 00:18:59,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-10-13 00:18:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:18:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-10-13 00:18:59,691 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-13 00:18:59,691 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-13 00:18:59,691 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:18:59,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-10-13 00:18:59,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:18:59,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:59,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:59,694 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:59,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:18:59,694 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 196#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 188#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 189#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 202#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 194#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 199#L521 assume !(0 != strlcpy_~siz % 4294967296); 200#L523-2 [2021-10-13 00:18:59,694 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 200#L523-2 [2021-10-13 00:18:59,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:59,695 INFO L82 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-10-13 00:18:59,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:59,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872442362] [2021-10-13 00:18:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:59,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:18:59,876 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 00:18:59,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:18:59,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872442362] [2021-10-13 00:18:59,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872442362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:18:59,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:18:59,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:18:59,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957109693] [2021-10-13 00:18:59,880 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:18:59,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:59,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-10-13 00:18:59,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:59,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841084923] [2021-10-13 00:18:59,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:59,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:59,895 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:59,905 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:59,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:18:59,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:18:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:18:59,953 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:00,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:19:00,014 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-10-13 00:19:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:19:00,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2021-10-13 00:19:00,017 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-13 00:19:00,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2021-10-13 00:19:00,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-13 00:19:00,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-13 00:19:00,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-10-13 00:19:00,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:19:00,027 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-10-13 00:19:00,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-10-13 00:19:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-10-13 00:19:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-13 00:19:00,031 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-13 00:19:00,031 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-13 00:19:00,032 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:19:00,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-13 00:19:00,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:00,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:00,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:00,040 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:19:00,040 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:00,041 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 242#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 251#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 243#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 244#L514 assume !strlcpy_#t~short3; 257#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 260#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 259#L521 assume !(0 != strlcpy_~siz % 4294967296); 255#L523-2 [2021-10-13 00:19:00,041 INFO L793 eck$LassoCheckResult]: Loop: 255#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 256#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 255#L523-2 [2021-10-13 00:19:00,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:00,041 INFO L82 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-10-13 00:19:00,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:00,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49381010] [2021-10-13 00:19:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:00,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,063 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,097 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:00,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:00,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-10-13 00:19:00,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:00,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952243228] [2021-10-13 00:19:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:00,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,101 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:00,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:00,105 INFO L82 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-10-13 00:19:00,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:00,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801070423] [2021-10-13 00:19:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:00,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,139 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:00,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:00,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:00,921 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:19:00,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:19:00,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:19:00,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:19:00,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:19:00,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:00,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:19:00,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:19:00,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-10-13 00:19:00,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:19:00,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:19:00,926 INFO 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 00:19:00,930 INFO 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 00:19:00,932 INFO 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 00:19:00,935 INFO 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 00:19:00,937 INFO 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 00:19:00,938 INFO 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 00:19:00,940 INFO 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 00:19:00,942 INFO 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 00:19:00,944 INFO 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 00:19:00,946 INFO 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 00:19:00,948 INFO 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 00:19:00,950 INFO 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 00:19:00,952 INFO 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 00:19:00,954 INFO 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 00:19:00,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:00,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:00,961 INFO 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 00:19:01,234 INFO 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 00:19:01,236 INFO 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 00:19:01,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:19:01,689 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:19:01,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,691 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:19:01,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,747 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:19:01,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,811 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:01,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:01,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:19:01,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,869 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:19:01,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:01,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,905 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:19:01,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,950 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:19:01,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:01,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:01,978 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:01,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:19:01,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:01,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:01,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:01,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:01,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:01,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:01,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:01,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,007 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:19:02,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 00:19:02,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,036 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:19:02,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,109 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:19:02,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,179 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:19:02,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,229 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:02,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:19:02,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:19:02,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,258 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:19:02,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,299 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:19:02,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,328 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:19:02,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,399 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:19:02,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:02,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:19:02,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,430 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:02,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:19:02,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,507 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:19:02,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:02,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,516 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:19:02,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:19:02,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:02,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 00:19:02,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,537 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:19:02,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,579 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:19:02,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-13 00:19:02,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,646 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:19:02,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:02,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,697 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:19:02,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,729 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:19:02,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:02,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,813 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:02,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:02,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:02,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:02,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:02,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:02,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:02,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:19:02,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:19:02,886 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-13 00:19:02,886 INFO L444 ModelExtractionUtils]: 25 out of 37 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-13 00:19:02,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:02,887 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:19:02,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:19:02,899 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:19:02,899 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:19:02,899 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-13 00:19:02,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:02,945 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-10-13 00:19:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:02,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:19:02,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:03,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:19:03,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:03,082 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 00:19:03,082 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 00:19:03,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:03,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 5 states. [2021-10-13 00:19:03,118 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 00:19:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-10-13 00:19:03,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-13 00:19:03,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:03,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-13 00:19:03,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:03,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:19:03,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:03,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-13 00:19:03,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:03,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-10-13 00:19:03,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 00:19:03,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-13 00:19:03,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-10-13 00:19:03,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:19:03,121 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-13 00:19:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-10-13 00:19:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-10-13 00:19:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-13 00:19:03,123 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-13 00:19:03,123 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-13 00:19:03,123 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:19:03,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-10-13 00:19:03,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:03,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:03,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:03,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:19:03,124 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:03,125 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 371#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 380#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 376#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 377#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 386#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 378#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 383#L521 assume 0 != strlcpy_~siz % 4294967296;call write~int(0, strlcpy_~d~0.base, strlcpy_~d~0.offset, 1); 384#L523-2 [2021-10-13 00:19:03,125 INFO L793 eck$LassoCheckResult]: Loop: 384#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 385#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 384#L523-2 [2021-10-13 00:19:03,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:03,126 INFO L82 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-10-13 00:19:03,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:03,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125599986] [2021-10-13 00:19:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:03,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,140 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:03,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:03,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-10-13 00:19:03,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:03,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444282027] [2021-10-13 00:19:03,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:03,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,159 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:03,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:03,162 INFO L82 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-10-13 00:19:03,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:03,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251028878] [2021-10-13 00:19:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:03,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,175 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:03,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:03,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:04,011 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:19:04,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:19:04,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:19:04,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:19:04,011 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:19:04,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:19:04,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:19:04,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-10-13 00:19:04,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:19:04,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:19:04,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:04,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:04,280 INFO 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 00:19:04,282 INFO 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 00:19:04,285 INFO 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 00:19:04,292 INFO 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 00:19:04,294 INFO 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 00:19:04,296 INFO 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 00:19:04,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:04,302 INFO 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 00:19:04,304 INFO 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 00:19:04,306 INFO 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 00:19:04,308 INFO 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 00:19:04,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:04,313 INFO 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 00:19:04,315 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 00:19:04,317 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 00:19:04,318 INFO 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 00:19:04,320 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 00:19:04,761 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:19:04,761 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:19:04,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:04,767 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:04,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:19:04,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:04,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:04,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:04,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:04,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:04,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:04,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:04,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:04,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 00:19:04,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:04,816 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:19:04,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:04,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:04,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:04,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:04,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:04,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:04,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:04,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:04,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:04,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:04,891 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:04,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:04,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:04,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:04,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:04,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:04,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:04,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:19:04,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:04,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 00:19:04,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:04,953 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:04,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:19:04,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:04,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:04,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:04,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:04,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:04,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:04,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:04,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:04,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 00:19:04,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:04,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:04,986 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:19:04,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 00:19:04,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:04,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:04,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:04,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:05,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:05,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:05,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:19:05,061 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-13 00:19:05,061 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-13 00:19:05,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:05,063 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:05,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:19:05,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:19:05,074 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:19:05,074 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:19:05,074 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-13 00:19:05,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:05,111 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-13 00:19:05,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:05,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:19:05,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:05,215 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:19:05,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:05,248 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 00:19:05,248 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 00:19:05,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:05,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 5 states. [2021-10-13 00:19:05,274 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 00:19:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-13 00:19:05,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-13 00:19:05,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:05,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-13 00:19:05,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:05,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:19:05,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:05,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-13 00:19:05,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:19:05,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-10-13 00:19:05,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:19:05,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:19:05,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:19:05,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:19:05,278 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:05,278 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:05,278 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:05,278 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:19:05,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:19:05,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:19:05,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:19:05,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:19:05 BoogieIcfgContainer [2021-10-13 00:19:05,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:19:05,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:19:05,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:19:05,285 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:19:05,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:54" (3/4) ... [2021-10-13 00:19:05,288 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:19:05,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:19:05,289 INFO L168 Benchmark]: Toolchain (without parser) took 11288.98 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 78.6 MB in the beginning and 90.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,290 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 119.5 MB. Free memory is still 96.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:05,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.44 ms. Allocated memory is still 119.5 MB. Free memory was 78.4 MB in the beginning and 85.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.50 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 83.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,291 INFO L168 Benchmark]: Boogie Preprocessor took 24.73 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 82.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,291 INFO L168 Benchmark]: RCFGBuilder took 320.49 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 71.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,292 INFO L168 Benchmark]: BuchiAutomizer took 10486.38 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 71.3 MB in the beginning and 90.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:05,292 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 174.1 MB. Free memory is still 90.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:05,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 119.5 MB. Free memory is still 96.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.44 ms. Allocated memory is still 119.5 MB. Free memory was 78.4 MB in the beginning and 85.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.50 ms. Allocated memory is still 119.5 MB. Free memory was 85.6 MB in the beginning and 83.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.73 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 82.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 320.49 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 71.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10486.38 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 71.3 MB in the beginning and 90.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.64 ms. Allocated memory is still 174.1 MB. Free memory is still 90.9 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 (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 17.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 79 SDtfs, 119 SDslu, 41 SDs, 0 SdLazy, 48 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp97 ukn85 mio100 lsp38 div188 bol100 ite100 ukn100 eq174 hnf66 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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 00:19:05,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:05,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3783ac9-df0b-4991-9299-fe55441a5b69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...