./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 23:17:47,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:17:47,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:17:47,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:17:47,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:17:47,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:17:47,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:17:47,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:17:47,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:17:47,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:17:47,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:17:47,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:17:47,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:17:47,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:17:47,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:17:47,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:17:47,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:17:47,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:17:47,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:17:47,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:17:47,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:17:47,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:17:47,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:17:47,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:17:47,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:17:47,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:17:47,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:17:47,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:17:47,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:17:47,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:17:47,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:17:47,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:17:47,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:17:47,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:17:47,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:17:47,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:17:47,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:17:47,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:17:47,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:17:47,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:17:47,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:17:47,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 23:17:47,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:17:47,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:17:47,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:17:47,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:17:47,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:17:47,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:17:47,669 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:17:47,670 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 23:17:47,670 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 23:17:47,670 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 23:17:47,670 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 23:17:47,671 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 23:17:47,671 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 23:17:47,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:17:47,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 23:17:47,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 23:17:47,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:17:47,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 23:17:47,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:17:47,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 23:17:47,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 23:17:47,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 23:17:47,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 23:17:47,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:17:47,674 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 23:17:47,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:17:47,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 23:17:47,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:17:47,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:17:47,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:17:47,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:17:47,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:17:47,677 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 23:17:47,677 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_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2021-11-02 23:17:48,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:17:48,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:17:48,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:17:48,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:17:48,042 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:17:48,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-02 23:17:48,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/data/f609de41b/7e3da395def54d1f999f6cbde205543d/FLAGe0ffb18f4 [2021-11-02 23:17:48,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:17:48,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-11-02 23:17:48,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/data/f609de41b/7e3da395def54d1f999f6cbde205543d/FLAGe0ffb18f4 [2021-11-02 23:17:49,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/data/f609de41b/7e3da395def54d1f999f6cbde205543d [2021-11-02 23:17:49,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:17:49,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:17:49,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:17:49,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:17:49,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:17:49,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62538f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49, skipping insertion in model container [2021-11-02 23:17:49,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:17:49,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:17:49,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:17:49,569 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:17:49,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:17:49,664 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:17:49,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49 WrapperNode [2021-11-02 23:17:49,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:17:49,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:17:49,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:17:49,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:17:49,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:17:49,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:17:49,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:17:49,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:17:49,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:17:49,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:17:49,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:17:49,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:17:49,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (1/1) ... [2021-11-02 23:17:49,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:49,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:49,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:49,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 23:17:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 23:17:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 23:17:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:17:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 23:17:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:17:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:17:50,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:17:50,316 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-02 23:17:50,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:17:50 BoogieIcfgContainer [2021-11-02 23:17:50,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:17:50,320 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 23:17:50,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 23:17:50,324 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 23:17:50,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:17:50,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 11:17:49" (1/3) ... [2021-11-02 23:17:50,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8dd452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:17:50, skipping insertion in model container [2021-11-02 23:17:50,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:17:50,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:17:49" (2/3) ... [2021-11-02 23:17:50,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8dd452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:17:50, skipping insertion in model container [2021-11-02 23:17:50,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:17:50,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:17:50" (3/3) ... [2021-11-02 23:17:50,331 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca-1.i [2021-11-02 23:17:50,400 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 23:17:50,402 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 23:17:50,419 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 23:17:50,419 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 23:17:50,420 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 23:17:50,420 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 23:17:50,420 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 23:17:50,420 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 23:17:50,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:50,468 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-11-02 23:17:50,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:50,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:50,476 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 23:17:50,476 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 23:17:50,477 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 23:17:50,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:50,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-11-02 23:17:50,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:50,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:50,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 23:17:50,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 23:17:50,488 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 13#L524true assume !(main_~length1~0 < 1); 18#L524-2true assume !(main_~length2~0 < 1); 6#L527-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 14#L533-3true [2021-11-02 23:17:50,488 INFO L793 eck$LassoCheckResult]: Loop: 14#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 3#L533-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 14#L533-3true [2021-11-02 23:17:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-02 23:17:50,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:50,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813413199] [2021-11-02 23:17:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:50,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,634 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,699 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:50,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:50,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-11-02 23:17:50,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:50,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287963356] [2021-11-02 23:17:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:50,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,771 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:50,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-11-02 23:17:50,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:50,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799798503] [2021-11-02 23:17:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:50,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,834 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:50,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:51,396 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:17:51,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:17:51,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:17:51,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:17:51,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:17:51,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:51,398 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:17:51,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:17:51,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration1_Lasso [2021-11-02 23:17:51,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:17:51,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:17:51,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:51,984 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:17:51,990 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:17:51,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:51,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:51,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 23:17:52,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:52,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:52,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:52,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 23:17:52,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:52,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:52,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:52,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:52,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:52,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:52,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 23:17:52,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 23:17:52,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:52,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:52,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-02 23:17:52,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,388 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 23:17:52,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:52,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:52,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:52,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:52,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:52,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 23:17:52,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:52,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,587 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:52,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:52,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:52,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:52,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:52,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 23:17:52,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:52,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:52,643 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 23:17:52,690 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-02 23:17:52,691 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 23:17:52,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:52,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:52,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:52,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 23:17:52,731 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 23:17:52,750 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 23:17:52,750 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 23:17:52,751 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-11-02 23:17:52,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:52,813 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-02 23:17:52,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:52,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:17:52,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:17:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:52,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 23:17:52,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:17:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:17:52,924 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 [2021-11-02 23:17:52,926 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:52,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 7 states. [2021-11-02 23:17:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 23:17:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-11-02 23:17:53,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-02 23:17:53,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:53,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-02 23:17:53,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:53,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-02 23:17:53,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:53,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2021-11-02 23:17:53,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-02 23:17:53,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 15 states and 20 transitions. [2021-11-02 23:17:53,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-02 23:17:53,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-02 23:17:53,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-11-02 23:17:53,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:17:53,029 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-02 23:17:53,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-11-02 23:17:53,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-02 23:17:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-11-02 23:17:53,063 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-02 23:17:53,063 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-02 23:17:53,063 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 23:17:53,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-11-02 23:17:53,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-02 23:17:53,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:53,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:53,067 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:17:53,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 23:17:53,068 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 139#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L524 assume !(main_~length1~0 < 1); 149#L524-2 assume !(main_~length2~0 < 1); 140#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 141#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 148#L533-4 main_~i~1 := 0; 145#L537-3 [2021-11-02 23:17:53,068 INFO L793 eck$LassoCheckResult]: Loop: 145#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 146#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 145#L537-3 [2021-11-02 23:17:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:53,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-11-02 23:17:53,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:53,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520103398] [2021-11-02 23:17:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:53,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:53,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:53,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-11-02 23:17:53,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:53,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843225282] [2021-11-02 23:17:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:53,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:53,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:53,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-11-02 23:17:53,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:53,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535225346] [2021-11-02 23:17:53,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:53,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,200 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:53,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:53,737 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:17:53,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:17:53,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:17:53,737 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:17:53,737 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:17:53,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:53,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:17:53,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:17:53,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration2_Lasso [2021-11-02 23:17:53,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:17:53,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:17:53,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:53,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:54,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:17:54,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:17:54,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,323 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 23:17:54,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:54,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:54,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:54,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,395 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,402 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 [2021-11-02 23:17:54,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:54,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:54,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 23:17:54,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,464 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:54,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:54,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 23:17:54,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,536 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 23:17:54,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:54,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:54,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-02 23:17:54,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,628 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:54,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:54,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:54,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 23:17:54,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,715 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 23:17:54,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:54,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:54,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,794 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:54,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:54,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 23:17:54,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,878 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 23:17:54,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:54,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:54,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:54,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:54,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:54,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:54,955 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:54,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:54,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:54,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:54,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:54,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:54,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:54,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:54,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:54,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 23:17:54,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:55,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:55,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:55,031 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:55,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:55,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:55,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:55,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:55,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:55,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:55,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:55,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 23:17:55,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 23:17:55,122 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-02 23:17:55,122 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 23:17:55,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:55,124 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:55,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 23:17:55,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 23:17:55,140 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 23:17:55,140 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 23:17:55,140 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-11-02 23:17:55,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:55,178 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-02 23:17:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:55,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:17:55,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:17:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:55,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 23:17:55,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:17:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:17:55,256 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 [2021-11-02 23:17:55,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:55,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 6 states. [2021-11-02 23:17:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 23:17:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-02 23:17:55,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-02 23:17:55,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:55,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-02 23:17:55,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:55,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-02 23:17:55,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:17:55,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2021-11-02 23:17:55,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:55,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2021-11-02 23:17:55,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-02 23:17:55,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 23:17:55,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-11-02 23:17:55,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:17:55,290 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-02 23:17:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-11-02 23:17:55,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-02 23:17:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-11-02 23:17:55,292 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-02 23:17:55,292 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-02 23:17:55,292 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 23:17:55,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-11-02 23:17:55,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:55,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:55,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:55,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:17:55,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 23:17:55,294 INFO L791 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 249#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 258#L524 assume !(main_~length1~0 < 1); 261#L524-2 assume !(main_~length2~0 < 1); 250#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 251#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 259#L533-4 main_~i~1 := 0; 255#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 252#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 253#L516-3 [2021-11-02 23:17:55,294 INFO L793 eck$LassoCheckResult]: Loop: 253#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 254#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 260#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 253#L516-3 [2021-11-02 23:17:55,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-11-02 23:17:55,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988412524] [2021-11-02 23:17:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:55,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,335 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 1 times [2021-11-02 23:17:55,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757732053] [2021-11-02 23:17:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,345 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,356 INFO L85 PathProgramCache]: Analyzing trace with hash -296047681, now seen corresponding path program 1 times [2021-11-02 23:17:55,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820033086] [2021-11-02 23:17:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:17:55,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:17:55,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820033086] [2021-11-02 23:17:55,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820033086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:17:55,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:17:55,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 23:17:55,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170015531] [2021-11-02 23:17:55,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:17:55,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 23:17:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:17:55,749 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-11-02 23:17:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:17:55,899 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-11-02 23:17:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 23:17:55,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-11-02 23:17:55,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:55,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2021-11-02 23:17:55,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-02 23:17:55,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 23:17:55,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-11-02 23:17:55,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:17:55,902 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-02 23:17:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-11-02 23:17:55,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-11-02 23:17:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-02 23:17:55,904 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 23:17:55,904 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 23:17:55,904 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 23:17:55,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-02 23:17:55,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:55,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:55,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:55,905 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:17:55,905 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 23:17:55,905 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 306#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 315#L524 assume !(main_~length1~0 < 1); 317#L524-2 assume !(main_~length2~0 < 1); 307#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 308#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 303#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 304#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 318#L533-4 main_~i~1 := 0; 312#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 309#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 310#L516-3 [2021-11-02 23:17:55,905 INFO L793 eck$LassoCheckResult]: Loop: 310#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 311#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 316#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 310#L516-3 [2021-11-02 23:17:55,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-11-02 23:17:55,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350282165] [2021-11-02 23:17:55,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,941 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:55,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,967 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 2 times [2021-11-02 23:17:55,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037696477] [2021-11-02 23:17:55,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:55,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,987 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:55,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:55,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1311502365, now seen corresponding path program 1 times [2021-11-02 23:17:55,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:55,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541121976] [2021-11-02 23:17:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:55,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:17:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 23:17:56,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:17:56,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541121976] [2021-11-02 23:17:56,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541121976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:17:56,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:17:56,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 23:17:56,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881546509] [2021-11-02 23:17:56,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:17:56,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 23:17:56,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-02 23:17:56,392 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:56,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:17:56,512 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-11-02 23:17:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 23:17:56,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-11-02 23:17:56,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:56,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-11-02 23:17:56,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-02 23:17:56,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 23:17:56,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-11-02 23:17:56,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:17:56,517 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-02 23:17:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-11-02 23:17:56,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-11-02 23:17:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:17:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-11-02 23:17:56,519 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-02 23:17:56,519 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-02 23:17:56,519 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 23:17:56,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-11-02 23:17:56,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-02 23:17:56,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:17:56,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:17:56,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:17:56,520 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 23:17:56,521 INFO L791 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 374#L524 assume !(main_~length1~0 < 1); 376#L524-2 assume !(main_~length2~0 < 1); 366#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 367#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 362#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 363#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 377#L533-4 main_~i~1 := 0; 371#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 372#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 373#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 368#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 369#L516-3 [2021-11-02 23:17:56,521 INFO L793 eck$LassoCheckResult]: Loop: 369#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 370#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 375#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 369#L516-3 [2021-11-02 23:17:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:56,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-11-02 23:17:56,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:56,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007717404] [2021-11-02 23:17:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:56,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,552 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:56,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:56,589 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 3 times [2021-11-02 23:17:56,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:56,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666354173] [2021-11-02 23:17:56,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:56,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,605 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:17:56,614 INFO L85 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2021-11-02 23:17:56,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:17:56,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583203881] [2021-11-02 23:17:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:17:56,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:17:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,633 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:17:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:17:56,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:17:57,928 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:17:57,928 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:17:57,928 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:17:57,928 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:17:57,928 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:17:57,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:57,929 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:17:57,929 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:17:57,929 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration5_Lasso [2021-11-02 23:17:57,929 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:17:57,929 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:17:57,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:57,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:58,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:58,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:58,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:58,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:58,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:17:59,552 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:17:59,552 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:17:59,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,558 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 23:17:59,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:59,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,608 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 23:17:59,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-02 23:17:59,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,643 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 23:17:59,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:59,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,679 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 23:17:59,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:17:59,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:17:59,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-02 23:17:59,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,727 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 23:17:59,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:59,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,772 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 23:17:59,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 23:17:59,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,807 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 23:17:59,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-02 23:17:59,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,849 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 23:17:59,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-02 23:17:59,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,896 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 23:17:59,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-02 23:17:59,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,934 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 23:17:59,936 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 [2021-11-02 23:17:59,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:17:59,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-02 23:17:59,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:17:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:17:59,972 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:17:59,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 23:17:59,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:17:59,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:17:59,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:17:59,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:17:59,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:17:59,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:17:59,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:17:59,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:17:59,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-02 23:18:00,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,014 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 23:18:00,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-02 23:18:00,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,058 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 23:18:00,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,095 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 23:18:00,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-02 23:18:00,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,133 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 23:18:00,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-02 23:18:00,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,172 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 23:18:00,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,207 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 23:18:00,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,279 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 23:18:00,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-02 23:18:00,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,334 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 23:18:00,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-02 23:18:00,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,369 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 23:18:00,375 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 [2021-11-02 23:18:00,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,439 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 23:18:00,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,524 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 23:18:00,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,583 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 23:18:00,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,623 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 23:18:00,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:18:00,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:18:00,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:18:00,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-02 23:18:00,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,657 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 23:18:00,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-02 23:18:00,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,700 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 23:18:00,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,751 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 23:18:00,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,800 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 23:18:00,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,891 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 23:18:00,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-02 23:18:00,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,930 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 23:18:00,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:00,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:00,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:00,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:18:00,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:00,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:00,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:00,988 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:00,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:18:00,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 23:18:00,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:18:00,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:18:00,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:18:00,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:18:01,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:18:01,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:18:01,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 23:18:01,197 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-11-02 23:18:01,197 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-11-02 23:18:01,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:18:01,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:18:01,203 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:18:01,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 23:18:01,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 23:18:01,236 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 23:18:01,237 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 23:18:01,237 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrcmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2021-11-02 23:18:01,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:01,399 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2021-11-02 23:18:01,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:18:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:18:01,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 23:18:01,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:18:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:18:01,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 23:18:01,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:18:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:18:01,589 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-02 23:18:01,589 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:18:01,618 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 24 transitions. Complement of second has 6 states. [2021-11-02 23:18:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 23:18:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:18:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-02 23:18:01,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 3 letters. [2021-11-02 23:18:01,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:18:01,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 3 letters. [2021-11-02 23:18:01,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:18:01,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 6 letters. [2021-11-02 23:18:01,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 23:18:01,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-11-02 23:18:01,621 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 23:18:01,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-11-02 23:18:01,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 23:18:01,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 23:18:01,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 23:18:01,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:18:01,622 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 23:18:01,622 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 23:18:01,622 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 23:18:01,622 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-02 23:18:01,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 23:18:01,622 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 23:18:01,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 23:18:01,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 11:18:01 BoogieIcfgContainer [2021-11-02 23:18:01,629 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 23:18:01,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 23:18:01,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 23:18:01,630 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 23:18:01,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:17:50" (3/4) ... [2021-11-02 23:18:01,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 23:18:01,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 23:18:01,635 INFO L168 Benchmark]: Toolchain (without parser) took 12561.27 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 52.4 MB in the beginning and 43.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2021-11-02 23:18:01,635 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:18:01,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.07 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 64.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-11-02 23:18:01,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.07 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 63.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 23:18:01,636 INFO L168 Benchmark]: Boogie Preprocessor took 68.13 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 61.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:18:01,637 INFO L168 Benchmark]: RCFGBuilder took 500.65 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 50.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 23:18:01,637 INFO L168 Benchmark]: BuchiAutomizer took 11308.65 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 50.0 MB in the beginning and 43.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2021-11-02 23:18:01,637 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 148.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:18:01,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.07 ms. Allocated memory is still 96.5 MB. Free memory was 52.2 MB in the beginning and 64.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.07 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 63.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.13 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 61.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 500.65 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 50.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11308.65 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 50.0 MB in the beginning and 43.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.20 ms. Allocated memory is still 148.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * s1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 10.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 106 SDslu, 117 SDs, 0 SdLazy, 111 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax111 hnf99 lsp83 ukn73 mio100 lsp50 div100 bol100 ite100 ukn100 eq176 hnf90 smp99 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 23:18:01,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-02 23:18:01,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99008f9-b5d9-4b1e-82b7-1c30145e863b/bin/uautomizer-tBqnrhUYjU/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