./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5142bd1a70b277e6c0e9690abed85caa4ceacf811cc7ce059063d386607411a7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:47:33,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:47:33,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:47:33,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:47:33,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:47:33,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:47:33,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:47:33,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:47:33,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:47:33,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:47:33,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:47:33,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:47:33,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:47:33,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:47:33,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:47:33,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:47:33,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:47:33,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:47:33,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:47:33,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:47:33,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:47:33,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:47:33,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:47:33,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:47:33,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:47:33,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:47:33,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:47:33,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:47:33,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:47:33,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:47:33,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:47:33,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:47:33,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:47:33,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:47:33,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:47:33,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:47:33,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:47:33,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:47:33,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:47:33,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:47:33,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:47:33,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 17:47:33,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:47:33,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:47:33,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:47:33,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:47:33,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:47:33,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:47:33,390 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:47:33,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:47:33,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:47:33,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:47:33,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:47:33,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:47:33,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:47:33,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:47:33,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:47:33,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:47:33,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:47:33,393 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:47:33,393 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_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5142bd1a70b277e6c0e9690abed85caa4ceacf811cc7ce059063d386607411a7 [2021-12-06 17:47:33,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:47:33,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:47:33,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:47:33,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:47:33,585 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:47:33,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2021-12-06 17:47:33,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/data/7c0a9c15f/ca9ef0123b1b43df9c5cc6372c5be6bd/FLAGf451a5d7c [2021-12-06 17:47:33,976 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:47:33,977 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2021-12-06 17:47:33,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/data/7c0a9c15f/ca9ef0123b1b43df9c5cc6372c5be6bd/FLAGf451a5d7c [2021-12-06 17:47:34,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/data/7c0a9c15f/ca9ef0123b1b43df9c5cc6372c5be6bd [2021-12-06 17:47:34,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:47:34,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:47:34,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:34,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:47:34,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:47:34,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c24bc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34, skipping insertion in model container [2021-12-06 17:47:34,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:47:34,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:47:34,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:34,602 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:47:34,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:34,652 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:47:34,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34 WrapperNode [2021-12-06 17:47:34,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:34,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:34,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:47:34,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:47:34,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,685 INFO L137 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2021-12-06 17:47:34,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:34,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:47:34,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:47:34,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:47:34,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:47:34,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:47:34,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:47:34,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:47:34,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (1/1) ... [2021-12-06 17:47:34,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:34,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:34,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:34,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:47:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:47:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:47:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:47:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:47:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:47:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:47:34,830 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:47:34,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:47:34,932 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:47:34,937 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:47:34,937 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:47:34,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:34 BoogieIcfgContainer [2021-12-06 17:47:34,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:47:34,939 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:47:34,939 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:47:34,941 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:47:34,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:47:34,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:47:34" (1/3) ... [2021-12-06 17:47:34,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6122bde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:47:34, skipping insertion in model container [2021-12-06 17:47:34,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:47:34,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:34" (2/3) ... [2021-12-06 17:47:34,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6122bde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:47:34, skipping insertion in model container [2021-12-06 17:47:34,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:47:34,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:34" (3/3) ... [2021-12-06 17:47:34,945 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-1.i [2021-12-06 17:47:34,978 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:47:34,978 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:47:34,978 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:47:34,978 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:47:34,978 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:47:34,978 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:47:34,978 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:47:34,978 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:47:34,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:35,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 17:47:35,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:35,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:35,010 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 17:47:35,010 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 17:47:35,010 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:47:35,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:35,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 17:47:35,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:35,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:35,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 17:47:35,013 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 17:47:35,018 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 4#L565true assume !(main_~length1~0#1 < 1); 14#L565-2true assume !(main_~length2~0#1 < 1); 18#L568-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 7#L552-4true [2021-12-06 17:47:35,018 INFO L793 eck$LassoCheckResult]: Loop: 7#L552-4true call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 13#L552-1true assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 12#L555-5true assume !true; 15#L555-6true call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 17#L557true assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 6#L552-3true cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 7#L552-4true [2021-12-06 17:47:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:35,024 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-06 17:47:35,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:35,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997343593] [2021-12-06 17:47:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:35,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,158 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-12-06 17:47:35,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:35,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811453765] [2021-12-06 17:47:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:35,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:35,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:35,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811453765] [2021-12-06 17:47:35,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811453765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:35,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:35,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:47:35,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163838833] [2021-12-06 17:47:35,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:35,203 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:47:35,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:35,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:47:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:47:35,229 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:47:35,234 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-12-06 17:47:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:47:35,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-06 17:47:35,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 17:47:35,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-12-06 17:47:35,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-06 17:47:35,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-06 17:47:35,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-12-06 17:47:35,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:35,244 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-06 17:47:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-12-06 17:47:35,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-06 17:47:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-06 17:47:35,262 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-06 17:47:35,262 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-06 17:47:35,262 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:47:35,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-06 17:47:35,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 17:47:35,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:35,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:35,263 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 17:47:35,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:47:35,263 INFO L791 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 49#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 44#L565 assume !(main_~length1~0#1 < 1); 45#L565-2 assume !(main_~length2~0#1 < 1); 56#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 47#L552-4 [2021-12-06 17:47:35,264 INFO L793 eck$LassoCheckResult]: Loop: 47#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 53#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 52#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 54#L555-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 50#L555-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 51#L555-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 55#L557 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 46#L552-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 47#L552-4 [2021-12-06 17:47:35,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-12-06 17:47:35,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:35,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019589347] [2021-12-06 17:47:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:35,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:35,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-12-06 17:47:35,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:35,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13706596] [2021-12-06 17:47:35,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:35,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,314 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:35,328 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-12-06 17:47:35,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:35,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440953042] [2021-12-06 17:47:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:35,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:35,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:35,971 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:47:35,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:47:35,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:47:35,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:47:35,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:47:35,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:35,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:47:35,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:47:35,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration2_Lasso [2021-12-06 17:47:35,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:47:35,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:47:35,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:35,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:35,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:35,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:35,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:35,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:36,573 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:47:36,575 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:47:36,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 17:47:36,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:36,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 17:47:36,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 17:47:36,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 17:47:36,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 17:47:36,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 17:47:36,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:36,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:36,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 17:47:36,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 17:47:36,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 17:47:36,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 17:47:36,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:36,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:36,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 17:47:36,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 17:47:36,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:36,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:36,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 17:47:36,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 17:47:36,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 17:47:36,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,847 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 17:47:36,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 17:47:36,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 17:47:36,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:36,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,906 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 17:47:36,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 17:47:36,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,935 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 17:47:36,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 17:47:36,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,963 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 17:47:36,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:36,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:36,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:36,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:36,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:36,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:36,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:36,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:36,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:36,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 17:47:36,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:36,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:36,992 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:36,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 17:47:36,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:37,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 17:47:37,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 17:47:37,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,054 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 17:47:37,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:37,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,083 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 17:47:37,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 17:47:37,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,111 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 17:47:37,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 17:47:37,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,140 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 17:47:37,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 17:47:37,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 17:47:37,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:37,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 17:47:37,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,200 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 17:47:37,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 17:47:37,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,231 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 17:47:37,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 17:47:37,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,271 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 17:47:37,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 17:47:37,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,305 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 17:47:37,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:37,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,337 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 17:47:37,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:37,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,345 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 17:47:37,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:47:37,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:37,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 17:47:37,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,369 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 17:47:37,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:37,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 17:47:37,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,405 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 17:47:37,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:37,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:37,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:37,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:37,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:37,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:37,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:37,426 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:47:37,454 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-06 17:47:37,454 INFO L444 ModelExtractionUtils]: 17 out of 28 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-06 17:47:37,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:37,456 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:37,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 17:47:37,460 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:47:37,470 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:47:37,470 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:47:37,471 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 Supporting invariants [] [2021-12-06 17:47:37,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 17:47:37,515 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-12-06 17:47:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:37,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:47:37,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:37,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:37,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:37,639 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 17:47:37,640 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:37,689 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 21 states and 28 transitions. Complement of second has 4 states. [2021-12-06 17:47:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:47:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-12-06 17:47:37,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-12-06 17:47:37,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:37,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-06 17:47:37,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:37,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-12-06 17:47:37,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:37,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-12-06 17:47:37,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:47:37,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-12-06 17:47:37,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 17:47:37,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-06 17:47:37,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-12-06 17:47:37,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:47:37,696 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-06 17:47:37,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-12-06 17:47:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-06 17:47:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-12-06 17:47:37,698 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-06 17:47:37,698 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-06 17:47:37,698 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:47:37,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-12-06 17:47:37,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:47:37,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:37,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:37,700 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:47:37,700 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:47:37,700 INFO L791 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 178#L565 assume !(main_~length1~0#1 < 1); 179#L565-2 assume !(main_~length2~0#1 < 1); 195#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 189#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 191#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 185#L555-5 [2021-12-06 17:47:37,700 INFO L793 eck$LassoCheckResult]: Loop: 185#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 192#L555-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 184#L555-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 185#L555-5 [2021-12-06 17:47:37,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:37,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-12-06 17:47:37,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121283550] [2021-12-06 17:47:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:37,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,719 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:37,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:37,737 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-12-06 17:47:37,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:37,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78925023] [2021-12-06 17:47:37,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:37,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,743 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-12-06 17:47:37,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:37,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702660867] [2021-12-06 17:47:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:37,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,765 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:37,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:38,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:38,298 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:47:38,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:47:38,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:47:38,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:47:38,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:47:38,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:38,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:47:38,298 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:47:38,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration3_Lasso [2021-12-06 17:47:38,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:47:38,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:47:38,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:38,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:47:38,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:47:38,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:38,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:38,898 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:38,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 17:47:38,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:38,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:38,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:38,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:38,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:38,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:38,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:38,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:38,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:38,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 17:47:38,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:38,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:38,926 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:38,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 17:47:38,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:38,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:38,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:38,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:38,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:38,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:38,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:38,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:38,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:38,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 17:47:38,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:38,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:38,955 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:38,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 17:47:38,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:38,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:38,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:38,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:38,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:38,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:38,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:38,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:38,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 17:47:38,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:38,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:38,986 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:38,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 17:47:38,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:38,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:38,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:38,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:38,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:38,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:38,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:38,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:38,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 17:47:39,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,015 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 17:47:39,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 17:47:39,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,043 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 17:47:39,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 17:47:39,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,075 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 17:47:39,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 17:47:39,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,103 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 17:47:39,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 17:47:39,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,131 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 17:47:39,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 17:47:39,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,162 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 17:47:39,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,195 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 17:47:39,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,224 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 17:47:39,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 17:47:39,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,252 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 17:47:39,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 17:47:39,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,283 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 17:47:39,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 17:47:39,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,312 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 17:47:39,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 17:47:39,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,344 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 17:47:39,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 17:47:39,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,372 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 17:47:39,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,401 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 17:47:39,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 17:47:39,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,430 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 17:47:39,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,458 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 17:47:39,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,487 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 17:47:39,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:39,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:39,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:39,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 17:47:39,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,516 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 17:47:39,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 17:47:39,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,548 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 17:47:39,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 17:47:39,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,581 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 17:47:39,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,589 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 17:47:39,589 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-12-06 17:47:39,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,617 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-12-06 17:47:39,617 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 17:47:39,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 17:47:39,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,727 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 17:47:39,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 17:47:39,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,758 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 17:47:39,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 17:47:39,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,798 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 17:47:39,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 17:47:39,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,835 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 17:47:39,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,867 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 17:47:39,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:39,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:39,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:39,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,897 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 17:47:39,898 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 [2021-12-06 17:47:39,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:39,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:39,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:39,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:39,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:39,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:39,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:47:39,938 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-06 17:47:39,938 INFO L444 ModelExtractionUtils]: 36 out of 49 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-06 17:47:39,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:39,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:39,939 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:39,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 17:47:39,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:47:39,948 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:47:39,948 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:47:39,948 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2021-12-06 17:47:39,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 17:47:40,006 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2021-12-06 17:47:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:40,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:47:40,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:40,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:40,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:40,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:47:40,070 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:40,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. 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 43 states and 57 transitions. Complement of second has 6 states. [2021-12-06 17:47:40,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:47:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-06 17:47:40,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-06 17:47:40,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:40,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-12-06 17:47:40,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:40,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-12-06 17:47:40,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:40,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-12-06 17:47:40,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:47:40,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-12-06 17:47:40,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-06 17:47:40,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-06 17:47:40,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-12-06 17:47:40,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:47:40,101 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-12-06 17:47:40,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-12-06 17:47:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-12-06 17:47:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-12-06 17:47:40,103 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-06 17:47:40,103 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-06 17:47:40,103 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 17:47:40,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-12-06 17:47:40,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:47:40,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:40,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:40,104 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:47:40,105 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:47:40,105 INFO L791 eck$LassoCheckResult]: Stem: 362#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 358#L565 assume !(main_~length1~0#1 < 1); 359#L565-2 assume !(main_~length2~0#1 < 1); 376#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 368#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 369#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 379#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 377#L555-1 assume !cstrpbrk_#t~short7#1; 366#L555-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 367#L555-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 375#L557 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 360#L552-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 361#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 371#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 365#L555-5 [2021-12-06 17:47:40,105 INFO L793 eck$LassoCheckResult]: Loop: 365#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 372#L555-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 364#L555-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 365#L555-5 [2021-12-06 17:47:40,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-12-06 17:47:40,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:40,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650276291] [2021-12-06 17:47:40,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:40,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:40,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:40,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650276291] [2021-12-06 17:47:40,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650276291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:40,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:40,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:47:40,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111844358] [2021-12-06 17:47:40,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:40,150 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:47:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,150 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-12-06 17:47:40,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:40,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789832007] [2021-12-06 17:47:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:40,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:40,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:47:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:47:40,232 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:40,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:47:40,278 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-12-06 17:47:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:47:40,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-12-06 17:47:40,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 17:47:40,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-12-06 17:47:40,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-06 17:47:40,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-06 17:47:40,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-12-06 17:47:40,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:47:40,280 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-12-06 17:47:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-12-06 17:47:40,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-12-06 17:47:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-12-06 17:47:40,282 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-06 17:47:40,282 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-06 17:47:40,282 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 17:47:40,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-12-06 17:47:40,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:47:40,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:47:40,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:47:40,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:47:40,284 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:47:40,284 INFO L791 eck$LassoCheckResult]: Stem: 432#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 433#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 430#L565 assume !(main_~length1~0#1 < 1); 431#L565-2 assume !(main_~length2~0#1 < 1); 447#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 436#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 437#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 443#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 445#L555-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 450#L555-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 448#L555-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 449#L557 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 434#L552-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 435#L552-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 439#L552-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 441#L555-5 [2021-12-06 17:47:40,284 INFO L793 eck$LassoCheckResult]: Loop: 441#L555-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 444#L555-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 440#L555-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 441#L555-5 [2021-12-06 17:47:40,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,284 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-12-06 17:47:40,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:40,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890383684] [2021-12-06 17:47:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:40,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,307 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:40,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-12-06 17:47:40,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79556374] [2021-12-06 17:47:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:40,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,336 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,341 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:40,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-12-06 17:47:40,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:40,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681331080] [2021-12-06 17:47:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:40,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:47:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:47:40,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:47:40,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 17:47:41,335 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:47:41,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:47:41,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:47:41,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:47:41,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:47:41,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:41,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:47:41,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:47:41,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration5_Lasso [2021-12-06 17:47:41,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:47:41,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:47:41,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:41,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:47:42,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:47:42,551 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:47:42,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,552 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 17:47:42,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 17:47:42,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,583 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 17:47:42,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:42,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:42,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 17:47:42,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,612 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 17:47:42,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,641 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 17:47:42,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:42,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:42,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 17:47:42,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,671 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 17:47:42,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,699 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 17:47:42,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,726 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 17:47:42,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 17:47:42,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,754 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 17:47:42,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,782 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 17:47:42,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,810 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 17:47:42,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 17:47:42,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,838 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 17:47:42,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:42,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:42,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 17:47:42,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,869 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 17:47:42,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,898 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 17:47:42,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 17:47:42,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,926 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 17:47:42,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:42,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,954 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 17:47:42,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:42,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 17:47:42,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:42,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:42,983 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:42,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 17:47:42,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:42,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:42,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:42,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:42,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:42,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:42,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:42,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:42,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:43,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,012 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 17:47:43,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:43,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:43,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:43,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,042 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 17:47:43,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:43,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:43,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 17:47:43,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,073 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 17:47:43,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:43,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:43,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:43,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-06 17:47:43,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,101 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 17:47:43,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:47:43,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:47:43,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:47:43,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 17:47:43,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,129 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 17:47:43,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:43,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:43,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 17:47:43,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,158 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 17:47:43,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,168 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-06 17:47:43,168 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-12-06 17:47:43,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,203 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-12-06 17:47:43,203 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-06 17:47:43,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:47:43,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 17:47:43,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,373 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 17:47:43,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:47:43,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:47:43,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:47:43,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:47:43,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:47:43,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:47:43,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:47:43,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:47:43,422 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 17:47:43,422 INFO L444 ModelExtractionUtils]: 17 out of 49 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-12-06 17:47:43,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:47:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:43,423 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:43,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 17:47:43,423 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:47:43,433 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:47:43,433 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:47:43,433 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2021-12-06 17:47:43,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 17:47:43,533 INFO L297 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2021-12-06 17:47:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:43,610 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:47:43,610 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-12-06 17:47:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:47:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-06 17:47:43,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-06 17:47:43,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:43,636 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 17:47:43,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:43,713 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:47:43,713 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,737 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-12-06 17:47:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:47:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-06 17:47:43,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-06 17:47:43,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:43,739 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 17:47:43,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:43,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:47:43,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:47:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:43,822 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 17:47:43,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,849 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 5 states. [2021-12-06 17:47:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:47:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:47:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 17:47:43,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-06 17:47:43,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:43,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-12-06 17:47:43,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:43,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-06 17:47:43,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:47:43,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-12-06 17:47:43,852 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:47:43,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-12-06 17:47:43,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:47:43,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:47:43,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:47:43,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:43,852 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:47:43,852 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:47:43,853 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:47:43,853 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 17:47:43,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:47:43,853 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:47:43,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 17:47:43,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:47:43 BoogieIcfgContainer [2021-12-06 17:47:43,857 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:47:43,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:47:43,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:47:43,858 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:47:43,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:34" (3/4) ... [2021-12-06 17:47:43,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:47:43,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:47:43,860 INFO L158 Benchmark]: Toolchain (without parser) took 9498.31ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 54.9MB in the beginning and 67.7MB in the end (delta: -12.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-12-06 17:47:43,860 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:47:43,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.80ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 54.7MB in the beginning and 104.7MB in the end (delta: -50.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:47:43,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.98ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:47:43,861 INFO L158 Benchmark]: Boogie Preprocessor took 20.84ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:47:43,861 INFO L158 Benchmark]: RCFGBuilder took 231.12ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 90.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 17:47:43,862 INFO L158 Benchmark]: BuchiAutomizer took 8918.11ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 90.0MB in the beginning and 67.7MB in the end (delta: 22.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-12-06 17:47:43,862 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 163.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:47:43,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.80ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 54.7MB in the beginning and 104.7MB in the end (delta: -50.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.98ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.84ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.12ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 90.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8918.11ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 90.0MB in the beginning and 67.7MB in the end (delta: 22.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 163.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 105 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax106 hnf100 lsp99 ukn84 mio100 lsp32 div128 bol100 ite100 ukn100 eq167 hnf78 smp87 dnf723 smp24 tf100 neg96 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 195ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 17:47:43,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-06 17:47:44,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c7f4a5-9a51-476e-a952-a4502e3978a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE