./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD --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 d4eaedc28ae5d992289c7a8b613ef86763e8650d77dc38c2182a834015324e1e 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:55:15,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:55:15,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:55:15,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:55:15,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:55:15,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:55:15,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:55:15,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:55:15,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:55:15,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:55:15,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:55:15,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:55:15,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:55:15,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:55:15,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:55:15,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:55:15,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:55:15,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:55:15,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:55:15,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:55:15,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:55:15,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:55:15,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:55:15,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:55:15,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:55:15,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:55:15,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:55:15,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:55:15,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:55:15,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:55:15,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:55:15,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:55:15,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:55:15,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:55:15,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:55:15,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:55:15,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:55:15,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:55:15,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:55:15,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:55:15,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:55:15,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:55:15,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:55:15,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:55:15,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:55:15,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:55:15,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:55:15,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:55:15,787 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:55:15,787 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:55:15,788 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:55:15,788 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:55:15,789 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:55:15,789 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:55:15,789 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:55:15,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:55:15,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:55:15,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:55:15,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:55:15,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:55:15,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:55:15,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:55:15,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:55:15,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:55:15,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:55:15,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:55:15,792 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:55:15,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:55:15,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:55:15,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:55:15,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:55:15,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:55:15,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:55:15,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:55:15,795 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:55:15,795 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_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4eaedc28ae5d992289c7a8b613ef86763e8650d77dc38c2182a834015324e1e [2021-10-28 23:55:16,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:55:16,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:55:16,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:55:16,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:55:16,047 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:55:16,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-28 23:55:16,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/data/855d77337/0f2f1a270bdd429b9ec246c9147f73fd/FLAG19dbc0ca3 [2021-10-28 23:55:16,568 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:55:16,568 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-28 23:55:16,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/data/855d77337/0f2f1a270bdd429b9ec246c9147f73fd/FLAG19dbc0ca3 [2021-10-28 23:55:16,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/data/855d77337/0f2f1a270bdd429b9ec246c9147f73fd [2021-10-28 23:55:16,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:55:16,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:55:16,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:16,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:55:16,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:55:16,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d2f93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16, skipping insertion in model container [2021-10-28 23:55:16,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:55:16,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:55:16,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-28 23:55:16,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:16,835 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:55:16,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-28 23:55:16,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:16,898 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:55:16,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16 WrapperNode [2021-10-28 23:55:16,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:16,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:16,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:55:16,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:55:16,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:16,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:55:16,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:55:16,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:55:16,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:55:16,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:55:16,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:55:16,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:55:16,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (1/1) ... [2021-10-28 23:55:16,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:17,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:17,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:55:17,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:55:17,392 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:55:17,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:17 BoogieIcfgContainer [2021-10-28 23:55:17,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:55:17,395 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:55:17,396 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:55:17,399 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:55:17,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:55:17,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:55:16" (1/3) ... [2021-10-28 23:55:17,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5066f7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:55:17, skipping insertion in model container [2021-10-28 23:55:17,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:55:17,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:16" (2/3) ... [2021-10-28 23:55:17,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5066f7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:55:17, skipping insertion in model container [2021-10-28 23:55:17,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:55:17,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:17" (3/3) ... [2021-10-28 23:55:17,404 INFO L389 chiAutomizerObserver]: Analyzing ICFG byte_add-1.i [2021-10-28 23:55:17,446 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:55:17,447 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:55:17,447 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:55:17,447 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:55:17,447 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:55:17,447 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:55:17,448 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:55:17,448 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:55:17,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:17,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-28 23:55:17,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:17,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:17,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:55:17,492 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:17,492 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:55:17,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:17,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-28 23:55:17,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:17,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:17,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:55:17,501 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:17,507 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6#L51true assume !(0 == mp_add_~a3~0 % 256); 14#L51-1true mp_add_~nb~0 := 4; 7#L61true assume !(0 == mp_add_~b3~0 % 256); 17#L61-1true mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12#L72-2true [2021-10-28 23:55:17,508 INFO L793 eck$LassoCheckResult]: Loop: 12#L72-2true assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34#L75true assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 36#L75-1true assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27#L81true assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 13#L87-1true assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9#L91-1true assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 10#L92-1true assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19#L93-1true assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 16#L94-1true mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12#L72-2true [2021-10-28 23:55:17,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-10-28 23:55:17,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:17,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044550735] [2021-10-28 23:55:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:17,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:17,694 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:17,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-10-28 23:55:17,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:17,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279523034] [2021-10-28 23:55:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:17,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:17,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:17,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279523034] [2021-10-28 23:55:17,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279523034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:17,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:17,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:17,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741539888] [2021-10-28 23:55:17,863 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:17,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:17,880 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 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 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) [2021-10-28 23:55:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:18,079 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-10-28 23:55:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:18,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-10-28 23:55:18,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 23:55:18,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-10-28 23:55:18,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-10-28 23:55:18,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-10-28 23:55:18,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-10-28 23:55:18,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:18,102 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-10-28 23:55:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-10-28 23:55:18,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-10-28 23:55:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-10-28 23:55:18,140 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-28 23:55:18,141 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-28 23:55:18,141 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:55:18,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-10-28 23:55:18,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:55:18,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:18,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:18,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:18,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:18,156 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 124#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 114#L51 assume !(0 == mp_add_~a3~0 % 256); 115#L51-1 mp_add_~nb~0 := 4; 117#L61 assume !(0 == mp_add_~b3~0 % 256); 118#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 125#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 126#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 146#L75-1 [2021-10-28 23:55:18,156 INFO L793 eck$LassoCheckResult]: Loop: 146#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 140#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 128#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 121#L91-1 assume !(1 == mp_add_~i~0 % 256); 122#L92-1 assume !(2 == mp_add_~i~0 % 256); 123#L93-1 assume !(3 == mp_add_~i~0 % 256); 131#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 132#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 158#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 151#L76-2 assume !(1 == mp_add_~i~0 % 256); 160#L77-1 assume !(2 == mp_add_~i~0 % 256); 145#L78-1 assume !(3 == mp_add_~i~0 % 256); 146#L75-1 [2021-10-28 23:55:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-10-28 23:55:18,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:18,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962852992] [2021-10-28 23:55:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:18,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:18,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:18,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962852992] [2021-10-28 23:55:18,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962852992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:18,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:18,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:55:18,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374619200] [2021-10-28 23:55:18,472 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:18,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-10-28 23:55:18,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:18,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067078452] [2021-10-28 23:55:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:18,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:18,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:18,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067078452] [2021-10-28 23:55:18,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067078452] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:18,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:18,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:55:18,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258185189] [2021-10-28 23:55:18,569 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:18,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:18,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:55:18,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:18,570 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:18,836 INFO L93 Difference]: Finished difference Result 120 states and 177 transitions. [2021-10-28 23:55:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:55:18,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 177 transitions. [2021-10-28 23:55:18,840 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 78 [2021-10-28 23:55:18,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 177 transitions. [2021-10-28 23:55:18,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 23:55:18,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-28 23:55:18,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 177 transitions. [2021-10-28 23:55:18,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:18,844 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 177 transitions. [2021-10-28 23:55:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 177 transitions. [2021-10-28 23:55:18,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 61. [2021-10-28 23:55:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.540983606557377) internal successors, (94), 60 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2021-10-28 23:55:18,858 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-10-28 23:55:18,858 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-10-28 23:55:18,859 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:55:18,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 94 transitions. [2021-10-28 23:55:18,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:55:18,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:18,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:18,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:18,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:18,867 INFO L791 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 310#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 303#L51 assume !(0 == mp_add_~a3~0 % 256); 304#L51-1 mp_add_~nb~0 := 4; 345#L61 assume !(0 == mp_add_~b3~0 % 256); 319#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 311#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 312#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 336#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 322#L76-2 [2021-10-28 23:55:18,867 INFO L793 eck$LassoCheckResult]: Loop: 322#L76-2 assume !(1 == mp_add_~i~0 % 256); 323#L77-1 assume !(2 == mp_add_~i~0 % 256); 324#L78-1 assume !(3 == mp_add_~i~0 % 256); 330#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 327#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 313#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 300#L91-1 assume !(1 == mp_add_~i~0 % 256); 301#L92-1 assume !(2 == mp_add_~i~0 % 256); 302#L93-1 assume !(3 == mp_add_~i~0 % 256); 317#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 318#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 346#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 357#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 322#L76-2 [2021-10-28 23:55:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2021-10-28 23:55:18,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:18,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070961089] [2021-10-28 23:55:18,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:18,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:18,939 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:18,972 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:18,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash 119486142, now seen corresponding path program 2 times [2021-10-28 23:55:18,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:18,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057732809] [2021-10-28 23:55:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:18,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:19,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:19,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057732809] [2021-10-28 23:55:19,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057732809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:19,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:19,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:19,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491151492] [2021-10-28 23:55:19,032 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:19,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:19,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:19,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:19,033 INFO L87 Difference]: Start difference. First operand 61 states and 94 transitions. cyclomatic complexity: 35 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:19,214 INFO L93 Difference]: Finished difference Result 86 states and 135 transitions. [2021-10-28 23:55:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:19,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 135 transitions. [2021-10-28 23:55:19,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-10-28 23:55:19,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 135 transitions. [2021-10-28 23:55:19,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-10-28 23:55:19,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-10-28 23:55:19,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 135 transitions. [2021-10-28 23:55:19,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:19,220 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 135 transitions. [2021-10-28 23:55:19,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 135 transitions. [2021-10-28 23:55:19,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2021-10-28 23:55:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 77 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2021-10-28 23:55:19,232 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-10-28 23:55:19,232 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-10-28 23:55:19,232 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:55:19,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 121 transitions. [2021-10-28 23:55:19,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-10-28 23:55:19,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:19,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:19,237 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,237 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,237 INFO L791 eck$LassoCheckResult]: Stem: 475#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 467#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 457#L51 assume !(0 == mp_add_~a3~0 % 256); 458#L51-1 mp_add_~nb~0 := 4; 460#L61 assume !(0 == mp_add_~b3~0 % 256); 461#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 499#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 498#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 495#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 476#L76-2 [2021-10-28 23:55:19,238 INFO L793 eck$LassoCheckResult]: Loop: 476#L76-2 assume !(1 == mp_add_~i~0 % 256); 477#L77-1 assume !(2 == mp_add_~i~0 % 256); 478#L78-1 assume !(3 == mp_add_~i~0 % 256); 504#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 482#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 468#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 454#L91-1 assume !(1 == mp_add_~i~0 % 256); 455#L92-1 assume !(2 == mp_add_~i~0 % 256); 456#L93-1 assume !(3 == mp_add_~i~0 % 256); 470#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 464#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 465#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 488#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 490#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 524#L87-1 assume !(0 == mp_add_~i~0 % 256); 522#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 520#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 519#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 518#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 509#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 510#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 476#L76-2 [2021-10-28 23:55:19,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,245 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2021-10-28 23:55:19,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156077571] [2021-10-28 23:55:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,330 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:19,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,339 INFO L85 PathProgramCache]: Analyzing trace with hash 522403369, now seen corresponding path program 1 times [2021-10-28 23:55:19,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055043467] [2021-10-28 23:55:19,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:55:19,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:19,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055043467] [2021-10-28 23:55:19,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055043467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:19,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:19,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:19,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014491229] [2021-10-28 23:55:19,393 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:19,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:19,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:19,395 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:19,498 INFO L93 Difference]: Finished difference Result 103 states and 155 transitions. [2021-10-28 23:55:19,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:19,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 155 transitions. [2021-10-28 23:55:19,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-10-28 23:55:19,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 155 transitions. [2021-10-28 23:55:19,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-10-28 23:55:19,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-10-28 23:55:19,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 155 transitions. [2021-10-28 23:55:19,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:19,510 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 155 transitions. [2021-10-28 23:55:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 155 transitions. [2021-10-28 23:55:19,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-10-28 23:55:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 100 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 153 transitions. [2021-10-28 23:55:19,523 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-10-28 23:55:19,523 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-10-28 23:55:19,523 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:55:19,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 153 transitions. [2021-10-28 23:55:19,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-10-28 23:55:19,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:19,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:19,528 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,528 INFO L791 eck$LassoCheckResult]: Stem: 666#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 652#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 641#L51 assume !(0 == mp_add_~a3~0 % 256); 642#L51-1 mp_add_~nb~0 := 4; 704#L61 assume !(0 == mp_add_~b3~0 % 256); 662#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 653#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 654#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 680#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 667#L76-2 [2021-10-28 23:55:19,528 INFO L793 eck$LassoCheckResult]: Loop: 667#L76-2 assume !(1 == mp_add_~i~0 % 256); 668#L77-1 assume !(2 == mp_add_~i~0 % 256); 669#L78-1 assume !(3 == mp_add_~i~0 % 256); 677#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 682#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 701#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 700#L91-1 assume !(1 == mp_add_~i~0 % 256); 699#L92-1 assume !(2 == mp_add_~i~0 % 256); 698#L93-1 assume !(3 == mp_add_~i~0 % 256); 696#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 692#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 693#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 735#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 673#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 655#L87-1 assume !(0 == mp_add_~i~0 % 256); 656#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 649#L92-1 assume !(2 == mp_add_~i~0 % 256); 663#L93-1 assume !(3 == mp_add_~i~0 % 256); 660#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 661#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 694#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 722#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 667#L76-2 [2021-10-28 23:55:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2021-10-28 23:55:19,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075988224] [2021-10-28 23:55:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,568 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:19,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash 581508713, now seen corresponding path program 1 times [2021-10-28 23:55:19,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054394637] [2021-10-28 23:55:19,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:19,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:19,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054394637] [2021-10-28 23:55:19,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054394637] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:19,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:19,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:55:19,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288675146] [2021-10-28 23:55:19,698 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:19,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:19,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:19,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:19,700 INFO L87 Difference]: Start difference. First operand 101 states and 153 transitions. cyclomatic complexity: 54 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:19,781 INFO L93 Difference]: Finished difference Result 169 states and 255 transitions. [2021-10-28 23:55:19,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:19,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 255 transitions. [2021-10-28 23:55:19,784 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 147 [2021-10-28 23:55:19,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 255 transitions. [2021-10-28 23:55:19,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-10-28 23:55:19,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-10-28 23:55:19,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2021-10-28 23:55:19,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:19,793 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 255 transitions. [2021-10-28 23:55:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2021-10-28 23:55:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 141. [2021-10-28 23:55:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 140 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions. [2021-10-28 23:55:19,808 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-10-28 23:55:19,808 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-10-28 23:55:19,808 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:55:19,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 217 transitions. [2021-10-28 23:55:19,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2021-10-28 23:55:19,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:19,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:19,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:19,811 INFO L791 eck$LassoCheckResult]: Stem: 940#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 930#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 921#L51 assume !(0 == mp_add_~a3~0 % 256); 922#L51-1 mp_add_~nb~0 := 4; 934#L61 assume !(0 == mp_add_~b3~0 % 256); 937#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 928#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 929#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 961#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 941#L76-2 [2021-10-28 23:55:19,811 INFO L793 eck$LassoCheckResult]: Loop: 941#L76-2 assume !(1 == mp_add_~i~0 % 256); 942#L77-1 assume !(2 == mp_add_~i~0 % 256); 1027#L78-1 assume !(3 == mp_add_~i~0 % 256); 1013#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1005#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 931#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 918#L91-1 assume !(1 == mp_add_~i~0 % 256); 919#L92-1 assume !(2 == mp_add_~i~0 % 256); 920#L93-1 assume !(3 == mp_add_~i~0 % 256); 938#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1046#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1033#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 964#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 965#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 998#L87-1 assume !(0 == mp_add_~i~0 % 256); 994#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 992#L92-1 assume !(2 == mp_add_~i~0 % 256); 990#L93-1 assume !(3 == mp_add_~i~0 % 256); 987#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 983#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 984#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1051#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 941#L76-2 [2021-10-28 23:55:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,812 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 4 times [2021-10-28 23:55:19,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827340747] [2021-10-28 23:55:19,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,844 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:19,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:19,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:19,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1261567083, now seen corresponding path program 1 times [2021-10-28 23:55:19,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:19,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612136926] [2021-10-28 23:55:19,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:19,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:19,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:19,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612136926] [2021-10-28 23:55:19,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612136926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:19,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:19,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:55:19,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082167300] [2021-10-28 23:55:19,959 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:19,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:19,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:55:19,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:19,960 INFO L87 Difference]: Start difference. First operand 141 states and 217 transitions. cyclomatic complexity: 78 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:20,192 INFO L93 Difference]: Finished difference Result 302 states and 450 transitions. [2021-10-28 23:55:20,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:55:20,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 450 transitions. [2021-10-28 23:55:20,196 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2021-10-28 23:55:20,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 450 transitions. [2021-10-28 23:55:20,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-10-28 23:55:20,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-10-28 23:55:20,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 450 transitions. [2021-10-28 23:55:20,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:20,200 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 450 transitions. [2021-10-28 23:55:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 450 transitions. [2021-10-28 23:55:20,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 225. [2021-10-28 23:55:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.5155555555555555) internal successors, (341), 224 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 341 transitions. [2021-10-28 23:55:20,223 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-10-28 23:55:20,223 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-10-28 23:55:20,223 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:55:20,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 341 transitions. [2021-10-28 23:55:20,225 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2021-10-28 23:55:20,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:20,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:20,230 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:20,230 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:20,230 INFO L791 eck$LassoCheckResult]: Stem: 1397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 1383#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1372#L51 assume !(0 == mp_add_~a3~0 % 256); 1373#L51-1 mp_add_~nb~0 := 4; 1375#L61 assume !(0 == mp_add_~b3~0 % 256); 1376#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1431#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1425#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1422#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1398#L76-2 [2021-10-28 23:55:20,230 INFO L793 eck$LassoCheckResult]: Loop: 1398#L76-2 assume !(1 == mp_add_~i~0 % 256); 1399#L77-1 assume !(2 == mp_add_~i~0 % 256); 1400#L78-1 assume !(3 == mp_add_~i~0 % 256); 1408#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1544#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1441#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1440#L91-1 assume !(1 == mp_add_~i~0 % 256); 1439#L92-1 assume !(2 == mp_add_~i~0 % 256); 1438#L93-1 assume !(3 == mp_add_~i~0 % 256); 1435#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1432#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1426#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 1427#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1403#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 1404#L87-1 assume !(0 == mp_add_~i~0 % 256); 1521#L91-1 assume !(1 == mp_add_~i~0 % 256); 1468#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 1464#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 1436#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1437#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1428#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1429#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1398#L76-2 [2021-10-28 23:55:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 5 times [2021-10-28 23:55:20,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:20,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829711388] [2021-10-28 23:55:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:20,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:20,254 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:20,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:20,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:20,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1317498195, now seen corresponding path program 1 times [2021-10-28 23:55:20,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:20,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614493562] [2021-10-28 23:55:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:20,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:55:20,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:20,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614493562] [2021-10-28 23:55:20,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614493562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:20,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:20,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:20,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696716453] [2021-10-28 23:55:20,326 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:20,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:20,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:20,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:20,327 INFO L87 Difference]: Start difference. First operand 225 states and 341 transitions. cyclomatic complexity: 119 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:20,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:20,410 INFO L93 Difference]: Finished difference Result 263 states and 400 transitions. [2021-10-28 23:55:20,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:20,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 400 transitions. [2021-10-28 23:55:20,414 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2021-10-28 23:55:20,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 400 transitions. [2021-10-28 23:55:20,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2021-10-28 23:55:20,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2021-10-28 23:55:20,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 400 transitions. [2021-10-28 23:55:20,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:20,418 INFO L681 BuchiCegarLoop]: Abstraction has 263 states and 400 transitions. [2021-10-28 23:55:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 400 transitions. [2021-10-28 23:55:20,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2021-10-28 23:55:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 257 states have (on average 1.5330739299610896) internal successors, (394), 256 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 394 transitions. [2021-10-28 23:55:20,425 INFO L704 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-10-28 23:55:20,425 INFO L587 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-10-28 23:55:20,425 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 23:55:20,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 394 transitions. [2021-10-28 23:55:20,427 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 230 [2021-10-28 23:55:20,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:20,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:20,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:20,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:20,428 INFO L791 eck$LassoCheckResult]: Stem: 1891#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 1877#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1866#L51 assume !(0 == mp_add_~a3~0 % 256); 1867#L51-1 mp_add_~nb~0 := 4; 1944#L61 assume !(0 == mp_add_~b3~0 % 256); 1886#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1887#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1912#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1913#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1892#L76-2 [2021-10-28 23:55:20,429 INFO L793 eck$LassoCheckResult]: Loop: 1892#L76-2 assume !(1 == mp_add_~i~0 % 256); 1893#L77-1 assume !(2 == mp_add_~i~0 % 256); 1894#L78-1 assume !(3 == mp_add_~i~0 % 256); 2044#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2042#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 2019#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2015#L91-1 assume !(1 == mp_add_~i~0 % 256); 2014#L92-1 assume !(2 == mp_add_~i~0 % 256); 2013#L93-1 assume !(3 == mp_add_~i~0 % 256); 2012#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2010#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2011#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 2084#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1910#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2004#L87-1 assume !(0 == mp_add_~i~0 % 256); 2003#L91-1 assume !(1 == mp_add_~i~0 % 256); 1953#L92-1 assume !(2 == mp_add_~i~0 % 256); 1946#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 1938#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1936#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1937#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2113#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1892#L76-2 [2021-10-28 23:55:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:20,429 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 6 times [2021-10-28 23:55:20,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:20,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993886401] [2021-10-28 23:55:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:20,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:20,442 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:20,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:20,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:20,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1260239893, now seen corresponding path program 1 times [2021-10-28 23:55:20,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:20,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135127188] [2021-10-28 23:55:20,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:20,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:20,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135127188] [2021-10-28 23:55:20,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135127188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:20,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451654175] [2021-10-28 23:55:20,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:20,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:20,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:20,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:20,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:55:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:20,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:55:20,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:20,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451654175] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:20,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:20,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-10-28 23:55:20,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013233041] [2021-10-28 23:55:20,990 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:20,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:55:20,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:55:20,991 INFO L87 Difference]: Start difference. First operand 257 states and 394 transitions. cyclomatic complexity: 140 Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:21,210 INFO L93 Difference]: Finished difference Result 325 states and 448 transitions. [2021-10-28 23:55:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:55:21,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 325 states and 448 transitions. [2021-10-28 23:55:21,213 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252 [2021-10-28 23:55:21,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 325 states to 325 states and 448 transitions. [2021-10-28 23:55:21,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 325 [2021-10-28 23:55:21,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 325 [2021-10-28 23:55:21,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 325 states and 448 transitions. [2021-10-28 23:55:21,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:21,218 INFO L681 BuchiCegarLoop]: Abstraction has 325 states and 448 transitions. [2021-10-28 23:55:21,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states and 448 transitions. [2021-10-28 23:55:21,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 241. [2021-10-28 23:55:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.4771784232365146) internal successors, (356), 240 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 356 transitions. [2021-10-28 23:55:21,224 INFO L704 BuchiCegarLoop]: Abstraction has 241 states and 356 transitions. [2021-10-28 23:55:21,225 INFO L587 BuchiCegarLoop]: Abstraction has 241 states and 356 transitions. [2021-10-28 23:55:21,225 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 23:55:21,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 356 transitions. [2021-10-28 23:55:21,227 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2021-10-28 23:55:21,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:21,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:21,228 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:21,228 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:21,228 INFO L791 eck$LassoCheckResult]: Stem: 2547#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 2533#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 2523#L51 assume !(0 == mp_add_~a3~0 % 256); 2524#L51-1 mp_add_~nb~0 := 4; 2601#L61 assume !(0 == mp_add_~b3~0 % 256); 2598#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 2578#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2576#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2572#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2548#L76-2 [2021-10-28 23:55:21,228 INFO L793 eck$LassoCheckResult]: Loop: 2548#L76-2 assume !(1 == mp_add_~i~0 % 256); 2549#L77-1 assume !(2 == mp_add_~i~0 % 256); 2658#L78-1 assume !(3 == mp_add_~i~0 % 256); 2656#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2654#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2653#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2621#L91-1 assume !(1 == mp_add_~i~0 % 256); 2648#L92-1 assume !(2 == mp_add_~i~0 % 256); 2582#L93-1 assume !(3 == mp_add_~i~0 % 256); 2579#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2580#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2597#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2567#L76 assume !(0 == mp_add_~i~0 % 256); 2568#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 2550#L77-1 assume !(2 == mp_add_~i~0 % 256); 2551#L78-1 assume !(3 == mp_add_~i~0 % 256); 2559#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2663#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2660#L87-1 assume !(0 == mp_add_~i~0 % 256); 2614#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 2612#L92-1 assume !(2 == mp_add_~i~0 % 256); 2607#L93-1 assume !(3 == mp_add_~i~0 % 256); 2541#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2542#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2569#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2570#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2548#L76-2 [2021-10-28 23:55:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:21,229 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 7 times [2021-10-28 23:55:21,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:21,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655272162] [2021-10-28 23:55:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:21,242 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:21,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -706390055, now seen corresponding path program 1 times [2021-10-28 23:55:21,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:21,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805723728] [2021-10-28 23:55:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:55:21,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:21,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805723728] [2021-10-28 23:55:21,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805723728] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:21,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:21,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:21,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569027540] [2021-10-28 23:55:21,303 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:21,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:21,304 INFO L87 Difference]: Start difference. First operand 241 states and 356 transitions. cyclomatic complexity: 118 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:21,482 INFO L93 Difference]: Finished difference Result 370 states and 539 transitions. [2021-10-28 23:55:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:55:21,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 370 states and 539 transitions. [2021-10-28 23:55:21,486 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2021-10-28 23:55:21,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 370 states to 370 states and 539 transitions. [2021-10-28 23:55:21,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 370 [2021-10-28 23:55:21,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 370 [2021-10-28 23:55:21,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 370 states and 539 transitions. [2021-10-28 23:55:21,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:21,491 INFO L681 BuchiCegarLoop]: Abstraction has 370 states and 539 transitions. [2021-10-28 23:55:21,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states and 539 transitions. [2021-10-28 23:55:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 269. [2021-10-28 23:55:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 269 states have (on average 1.5018587360594795) internal successors, (404), 268 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 404 transitions. [2021-10-28 23:55:21,511 INFO L704 BuchiCegarLoop]: Abstraction has 269 states and 404 transitions. [2021-10-28 23:55:21,511 INFO L587 BuchiCegarLoop]: Abstraction has 269 states and 404 transitions. [2021-10-28 23:55:21,511 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 23:55:21,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 404 transitions. [2021-10-28 23:55:21,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 245 [2021-10-28 23:55:21,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:21,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:21,517 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:21,517 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:21,519 INFO L791 eck$LassoCheckResult]: Stem: 3165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 3154#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3147#L51 assume !(0 == mp_add_~a3~0 % 256); 3148#L51-1 mp_add_~nb~0 := 4; 3150#L61 assume !(0 == mp_add_~b3~0 % 256); 3151#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3163#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3194#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3189#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3166#L76-2 [2021-10-28 23:55:21,519 INFO L793 eck$LassoCheckResult]: Loop: 3166#L76-2 assume !(1 == mp_add_~i~0 % 256); 3167#L77-1 assume !(2 == mp_add_~i~0 % 256); 3168#L78-1 assume !(3 == mp_add_~i~0 % 256); 3178#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3334#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3232#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3228#L91-1 assume !(1 == mp_add_~i~0 % 256); 3221#L92-1 assume !(2 == mp_add_~i~0 % 256); 3219#L93-1 assume !(3 == mp_add_~i~0 % 256); 3220#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3399#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3315#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3316#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3368#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 3366#L87-1 assume !(0 == mp_add_~i~0 % 256); 3351#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 3217#L92-1 assume !(2 == mp_add_~i~0 % 256); 3350#L93-1 assume !(3 == mp_add_~i~0 % 256); 3349#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3348#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3347#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3291#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3342#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 3297#L87-1 assume !(0 == mp_add_~i~0 % 256); 3296#L91-1 assume !(1 == mp_add_~i~0 % 256); 3211#L92-1 assume !(2 == mp_add_~i~0 % 256); 3207#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 3208#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3201#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3202#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3190#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3166#L76-2 [2021-10-28 23:55:21,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 8 times [2021-10-28 23:55:21,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:21,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613675730] [2021-10-28 23:55:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:21,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:21,559 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:21,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:21,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2126418142, now seen corresponding path program 1 times [2021-10-28 23:55:21,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:21,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531357624] [2021-10-28 23:55:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:21,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:21,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531357624] [2021-10-28 23:55:21,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531357624] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:21,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274227334] [2021-10-28 23:55:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:21,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:21,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:21,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:55:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:21,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:55:21,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:55:21,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274227334] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:21,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:21,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-10-28 23:55:21,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299936873] [2021-10-28 23:55:21,836 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:21,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:21,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:55:21,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:21,837 INFO L87 Difference]: Start difference. First operand 269 states and 404 transitions. cyclomatic complexity: 137 Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:22,486 INFO L93 Difference]: Finished difference Result 342 states and 463 transitions. [2021-10-28 23:55:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 23:55:22,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 342 states and 463 transitions. [2021-10-28 23:55:22,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 318 [2021-10-28 23:55:22,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 342 states to 342 states and 463 transitions. [2021-10-28 23:55:22,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 342 [2021-10-28 23:55:22,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 342 [2021-10-28 23:55:22,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 342 states and 463 transitions. [2021-10-28 23:55:22,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:22,494 INFO L681 BuchiCegarLoop]: Abstraction has 342 states and 463 transitions. [2021-10-28 23:55:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states and 463 transitions. [2021-10-28 23:55:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 222. [2021-10-28 23:55:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 222 states have (on average 1.4189189189189189) internal successors, (315), 221 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-10-28 23:55:22,501 INFO L704 BuchiCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-28 23:55:22,501 INFO L587 BuchiCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-28 23:55:22,501 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 23:55:22,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 315 transitions. [2021-10-28 23:55:22,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2021-10-28 23:55:22,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:22,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:22,504 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:22,504 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:22,504 INFO L791 eck$LassoCheckResult]: Stem: 3916#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 3903#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3894#L51 assume !(0 == mp_add_~a3~0 % 256); 3895#L51-1 mp_add_~nb~0 := 4; 3965#L61 assume !(0 == mp_add_~b3~0 % 256); 3911#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3912#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3983#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3979#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3980#L76-2 [2021-10-28 23:55:22,510 INFO L793 eck$LassoCheckResult]: Loop: 3980#L76-2 assume !(1 == mp_add_~i~0 % 256); 4095#L77-1 assume !(2 == mp_add_~i~0 % 256); 4094#L78-1 assume !(3 == mp_add_~i~0 % 256); 4091#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4084#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4059#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3975#L91-1 assume !(1 == mp_add_~i~0 % 256); 3976#L92-1 assume !(2 == mp_add_~i~0 % 256); 3969#L93-1 assume !(3 == mp_add_~i~0 % 256); 3970#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4027#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4028#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 4066#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 4065#L82 assume !(0 == mp_add_~i~0 % 256); 4064#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 4049#L83-1 assume !(2 == mp_add_~i~0 % 256); 4063#L84-1 assume !(3 == mp_add_~i~0 % 256); 4062#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4060#L87-1 assume !(0 == mp_add_~i~0 % 256); 4039#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4040#L92-1 assume !(2 == mp_add_~i~0 % 256); 4035#L93-1 assume !(3 == mp_add_~i~0 % 256); 4036#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3901#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3902#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3933#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4105#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4097#L87-1 assume !(0 == mp_add_~i~0 % 256); 3891#L91-1 assume !(1 == mp_add_~i~0 % 256); 3892#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 3893#L93-1 assume !(3 == mp_add_~i~0 % 256); 3913#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3946#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3984#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3980#L76-2 [2021-10-28 23:55:22,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:22,510 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 9 times [2021-10-28 23:55:22,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:22,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681242185] [2021-10-28 23:55:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:22,526 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:22,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:22,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:22,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1213831786, now seen corresponding path program 1 times [2021-10-28 23:55:22,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:22,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660684902] [2021-10-28 23:55:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:55:22,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:22,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660684902] [2021-10-28 23:55:22,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660684902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:22,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:22,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:55:22,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59189007] [2021-10-28 23:55:22,599 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:22,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:22,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:22,600 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. cyclomatic complexity: 95 Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:22,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:22,711 INFO L93 Difference]: Finished difference Result 422 states and 581 transitions. [2021-10-28 23:55:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:22,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 422 states and 581 transitions. [2021-10-28 23:55:22,716 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-28 23:55:22,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 422 states to 417 states and 574 transitions. [2021-10-28 23:55:22,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 417 [2021-10-28 23:55:22,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 417 [2021-10-28 23:55:22,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 417 states and 574 transitions. [2021-10-28 23:55:22,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:22,724 INFO L681 BuchiCegarLoop]: Abstraction has 417 states and 574 transitions. [2021-10-28 23:55:22,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states and 574 transitions. [2021-10-28 23:55:22,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 338. [2021-10-28 23:55:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.3994082840236686) internal successors, (473), 337 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 473 transitions. [2021-10-28 23:55:22,733 INFO L704 BuchiCegarLoop]: Abstraction has 338 states and 473 transitions. [2021-10-28 23:55:22,733 INFO L587 BuchiCegarLoop]: Abstraction has 338 states and 473 transitions. [2021-10-28 23:55:22,733 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 23:55:22,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 473 transitions. [2021-10-28 23:55:22,735 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 301 [2021-10-28 23:55:22,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:22,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:22,736 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:22,736 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:22,736 INFO L791 eck$LassoCheckResult]: Stem: 4564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 4552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 4542#L51 assume !(0 == mp_add_~a3~0 % 256); 4543#L51-1 mp_add_~nb~0 := 4; 4556#L61 assume !(0 == mp_add_~b3~0 % 256); 4561#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 4553#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4554#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4580#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 4565#L76-2 [2021-10-28 23:55:22,737 INFO L793 eck$LassoCheckResult]: Loop: 4565#L76-2 assume !(1 == mp_add_~i~0 % 256); 4566#L77-1 assume !(2 == mp_add_~i~0 % 256); 4567#L78-1 assume !(3 == mp_add_~i~0 % 256); 4575#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 4858#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 4637#L82-2 assume !(1 == mp_add_~i~0 % 256); 4857#L83-1 assume !(2 == mp_add_~i~0 % 256); 4856#L84-1 assume !(3 == mp_add_~i~0 % 256); 4855#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4853#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 4783#L91-1 assume !(1 == mp_add_~i~0 % 256); 4851#L92-1 assume !(2 == mp_add_~i~0 % 256); 4849#L93-1 assume !(3 == mp_add_~i~0 % 256); 4847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4844#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4845#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4841#L76 assume !(0 == mp_add_~i~0 % 256); 4840#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 4650#L77-1 assume !(2 == mp_add_~i~0 % 256); 4839#L78-1 assume !(3 == mp_add_~i~0 % 256); 4838#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4836#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4834#L87-1 assume !(0 == mp_add_~i~0 % 256); 4827#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4748#L92-1 assume !(2 == mp_add_~i~0 % 256); 4807#L93-1 assume !(3 == mp_add_~i~0 % 256); 4774#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4770#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4766#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 4753#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4625#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4624#L87-1 assume !(0 == mp_add_~i~0 % 256); 4623#L91-1 assume !(1 == mp_add_~i~0 % 256); 4601#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 4598#L93-1 assume !(3 == mp_add_~i~0 % 256); 4597#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4592#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4593#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4806#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 4565#L76-2 [2021-10-28 23:55:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 10 times [2021-10-28 23:55:22,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:22,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107581117] [2021-10-28 23:55:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:22,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:22,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:22,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash 50062784, now seen corresponding path program 1 times [2021-10-28 23:55:22,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:22,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311875168] [2021-10-28 23:55:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:22,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:22,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311875168] [2021-10-28 23:55:22,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311875168] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:22,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200894680] [2021-10-28 23:55:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:22,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:22,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:22,863 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:55:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:22,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:55:22,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-28 23:55:23,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200894680] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:23,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:23,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-28 23:55:23,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083443658] [2021-10-28 23:55:23,114 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:23,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:23,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:23,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:23,115 INFO L87 Difference]: Start difference. First operand 338 states and 473 transitions. cyclomatic complexity: 138 Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:23,501 INFO L93 Difference]: Finished difference Result 434 states and 559 transitions. [2021-10-28 23:55:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:23,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 434 states and 559 transitions. [2021-10-28 23:55:23,506 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 397 [2021-10-28 23:55:23,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 434 states to 434 states and 559 transitions. [2021-10-28 23:55:23,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 434 [2021-10-28 23:55:23,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 434 [2021-10-28 23:55:23,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 434 states and 559 transitions. [2021-10-28 23:55:23,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:23,511 INFO L681 BuchiCegarLoop]: Abstraction has 434 states and 559 transitions. [2021-10-28 23:55:23,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states and 559 transitions. [2021-10-28 23:55:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 362. [2021-10-28 23:55:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 362 states have (on average 1.3259668508287292) internal successors, (480), 361 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 480 transitions. [2021-10-28 23:55:23,519 INFO L704 BuchiCegarLoop]: Abstraction has 362 states and 480 transitions. [2021-10-28 23:55:23,519 INFO L587 BuchiCegarLoop]: Abstraction has 362 states and 480 transitions. [2021-10-28 23:55:23,519 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 23:55:23,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 362 states and 480 transitions. [2021-10-28 23:55:23,522 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 325 [2021-10-28 23:55:23,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:23,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:23,522 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:23,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:23,523 INFO L791 eck$LassoCheckResult]: Stem: 5462#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 5451#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 5442#L51 assume !(0 == mp_add_~a3~0 % 256); 5443#L51-1 mp_add_~nb~0 := 4; 5456#L61 assume !(0 == mp_add_~b3~0 % 256); 5458#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 5459#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5594#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5569#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5567#L76-2 [2021-10-28 23:55:23,523 INFO L793 eck$LassoCheckResult]: Loop: 5567#L76-2 assume !(1 == mp_add_~i~0 % 256); 5568#L77-1 assume !(2 == mp_add_~i~0 % 256); 5559#L78-1 assume !(3 == mp_add_~i~0 % 256); 5560#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5689#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 5561#L82-2 assume !(1 == mp_add_~i~0 % 256); 5562#L83-1 assume !(2 == mp_add_~i~0 % 256); 5554#L84-1 assume !(3 == mp_add_~i~0 % 256); 5555#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5760#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 5591#L91-1 assume !(1 == mp_add_~i~0 % 256); 5592#L92-1 assume !(2 == mp_add_~i~0 % 256); 5587#L93-1 assume !(3 == mp_add_~i~0 % 256); 5588#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5583#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5584#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5580#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5770#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 5769#L87-1 assume !(0 == mp_add_~i~0 % 256); 5768#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 5767#L92-1 assume !(2 == mp_add_~i~0 % 256); 5766#L93-1 assume !(3 == mp_add_~i~0 % 256); 5765#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5764#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5481#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5482#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5475#L82 assume !(0 == mp_add_~i~0 % 256); 5476#L82-2 assume !(1 == mp_add_~i~0 % 256); 5483#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 5477#L84-1 assume !(3 == mp_add_~i~0 % 256); 5478#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5798#L87-1 assume !(0 == mp_add_~i~0 % 256); 5634#L91-1 assume !(1 == mp_add_~i~0 % 256); 5620#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 5619#L93-1 assume !(3 == mp_add_~i~0 % 256); 5618#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5617#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5616#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5606#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5595#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 5596#L87-1 assume !(0 == mp_add_~i~0 % 256); 5530#L91-1 assume !(1 == mp_add_~i~0 % 256); 5531#L92-1 assume !(2 == mp_add_~i~0 % 256); 5523#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 5510#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5498#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5499#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5703#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5567#L76-2 [2021-10-28 23:55:23,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:23,523 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 11 times [2021-10-28 23:55:23,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:23,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098041581] [2021-10-28 23:55:23,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:23,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:23,534 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:23,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:23,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1295334223, now seen corresponding path program 1 times [2021-10-28 23:55:23,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:23,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292832476] [2021-10-28 23:55:23,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:23,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 23:55:23,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:23,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292832476] [2021-10-28 23:55:23,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292832476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:23,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:23,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:55:23,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648841664] [2021-10-28 23:55:23,621 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:23,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:23,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:55:23,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:55:23,622 INFO L87 Difference]: Start difference. First operand 362 states and 480 transitions. cyclomatic complexity: 121 Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:23,942 INFO L93 Difference]: Finished difference Result 601 states and 777 transitions. [2021-10-28 23:55:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:55:23,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 601 states and 777 transitions. [2021-10-28 23:55:23,947 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 491 [2021-10-28 23:55:23,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 601 states to 594 states and 766 transitions. [2021-10-28 23:55:23,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 594 [2021-10-28 23:55:23,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 594 [2021-10-28 23:55:23,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 594 states and 766 transitions. [2021-10-28 23:55:23,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:23,953 INFO L681 BuchiCegarLoop]: Abstraction has 594 states and 766 transitions. [2021-10-28 23:55:23,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states and 766 transitions. [2021-10-28 23:55:23,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 489. [2021-10-28 23:55:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 489 states have (on average 1.3190184049079754) internal successors, (645), 488 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 645 transitions. [2021-10-28 23:55:23,964 INFO L704 BuchiCegarLoop]: Abstraction has 489 states and 645 transitions. [2021-10-28 23:55:23,964 INFO L587 BuchiCegarLoop]: Abstraction has 489 states and 645 transitions. [2021-10-28 23:55:23,964 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 23:55:23,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 489 states and 645 transitions. [2021-10-28 23:55:23,967 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 438 [2021-10-28 23:55:23,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:23,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:23,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:23,968 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:23,968 INFO L791 eck$LassoCheckResult]: Stem: 6442#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 6431#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6422#L51 assume !(0 == mp_add_~a3~0 % 256); 6423#L51-1 mp_add_~nb~0 := 4; 6512#L61 assume !(0 == mp_add_~b3~0 % 256); 6438#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 6439#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6621#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6620#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 6556#L76-2 [2021-10-28 23:55:23,968 INFO L793 eck$LassoCheckResult]: Loop: 6556#L76-2 assume !(1 == mp_add_~i~0 % 256); 6619#L77-1 assume !(2 == mp_add_~i~0 % 256); 6618#L78-1 assume !(3 == mp_add_~i~0 % 256); 6616#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 6613#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 6612#L82-2 assume !(1 == mp_add_~i~0 % 256); 6611#L83-1 assume !(2 == mp_add_~i~0 % 256); 6610#L84-1 assume !(3 == mp_add_~i~0 % 256); 6609#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6608#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 6575#L91-1 assume !(1 == mp_add_~i~0 % 256); 6605#L92-1 assume !(2 == mp_add_~i~0 % 256); 6603#L93-1 assume !(3 == mp_add_~i~0 % 256); 6601#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6598#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6599#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6683#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 6681#L82 assume !(0 == mp_add_~i~0 % 256); 6679#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 6673#L83-1 assume !(2 == mp_add_~i~0 % 256); 6675#L84-1 assume !(3 == mp_add_~i~0 % 256); 6670#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 6666#L87-1 assume !(0 == mp_add_~i~0 % 256); 6560#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 6550#L92-1 assume !(2 == mp_add_~i~0 % 256); 6551#L93-1 assume !(3 == mp_add_~i~0 % 256); 6546#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6547#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6541#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6542#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6519#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6520#L87-1 assume !(0 == mp_add_~i~0 % 256); 6513#L91-1 assume !(1 == mp_add_~i~0 % 256); 6514#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 6488#L93-1 assume !(3 == mp_add_~i~0 % 256); 6489#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6723#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6724#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6704#L76 assume !(0 == mp_add_~i~0 % 256); 6702#L76-2 assume !(1 == mp_add_~i~0 % 256); 6701#L77-1 assume !(2 == mp_add_~i~0 % 256); 6699#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 6696#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6692#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6518#L87-1 assume !(0 == mp_add_~i~0 % 256); 6515#L91-1 assume !(1 == mp_add_~i~0 % 256); 6506#L92-1 assume !(2 == mp_add_~i~0 % 256); 6507#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 6566#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6561#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6559#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6555#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 6556#L76-2 [2021-10-28 23:55:23,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:23,969 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 12 times [2021-10-28 23:55:23,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:23,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148244242] [2021-10-28 23:55:23,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:23,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:23,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:23,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:23,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:23,991 INFO L85 PathProgramCache]: Analyzing trace with hash 896670135, now seen corresponding path program 1 times [2021-10-28 23:55:23,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:23,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682767503] [2021-10-28 23:55:23,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:23,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:55:24,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:24,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682767503] [2021-10-28 23:55:24,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682767503] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:24,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039256554] [2021-10-28 23:55:24,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:24,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:24,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:24,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:24,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:55:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:24,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:55:24,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:55:24,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039256554] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:24,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:24,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2021-10-28 23:55:24,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042063090] [2021-10-28 23:55:24,425 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:24,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:24,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:55:24,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:55:24,426 INFO L87 Difference]: Start difference. First operand 489 states and 645 transitions. cyclomatic complexity: 160 Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:26,294 INFO L93 Difference]: Finished difference Result 1354 states and 1678 transitions. [2021-10-28 23:55:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-28 23:55:26,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1354 states and 1678 transitions. [2021-10-28 23:55:26,305 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1057 [2021-10-28 23:55:26,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1354 states to 1281 states and 1592 transitions. [2021-10-28 23:55:26,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1281 [2021-10-28 23:55:26,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1281 [2021-10-28 23:55:26,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1281 states and 1592 transitions. [2021-10-28 23:55:26,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:26,343 INFO L681 BuchiCegarLoop]: Abstraction has 1281 states and 1592 transitions. [2021-10-28 23:55:26,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states and 1592 transitions. [2021-10-28 23:55:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 859. [2021-10-28 23:55:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 859 states have (on average 1.2887077997671712) internal successors, (1107), 858 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1107 transitions. [2021-10-28 23:55:26,363 INFO L704 BuchiCegarLoop]: Abstraction has 859 states and 1107 transitions. [2021-10-28 23:55:26,363 INFO L587 BuchiCegarLoop]: Abstraction has 859 states and 1107 transitions. [2021-10-28 23:55:26,364 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 23:55:26,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 859 states and 1107 transitions. [2021-10-28 23:55:26,369 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 747 [2021-10-28 23:55:26,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:26,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:26,369 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:26,370 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:26,370 INFO L791 eck$LassoCheckResult]: Stem: 8535#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 8527#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 8517#L51 assume !(0 == mp_add_~a3~0 % 256); 8518#L51-1 mp_add_~nb~0 := 4; 8530#L61 assume !(0 == mp_add_~b3~0 % 256); 9009#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 9010#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8982#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8983#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 8725#L76-2 [2021-10-28 23:55:26,371 INFO L793 eck$LassoCheckResult]: Loop: 8725#L76-2 assume !(1 == mp_add_~i~0 % 256); 8977#L77-1 assume !(2 == mp_add_~i~0 % 256); 8971#L78-1 assume !(3 == mp_add_~i~0 % 256); 8972#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 8965#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 8769#L82-2 assume !(1 == mp_add_~i~0 % 256); 8960#L83-1 assume !(2 == mp_add_~i~0 % 256); 8961#L84-1 assume !(3 == mp_add_~i~0 % 256); 8954#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 8955#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 8949#L91-1 assume !(1 == mp_add_~i~0 % 256); 8950#L92-1 assume !(2 == mp_add_~i~0 % 256); 8942#L93-1 assume !(3 == mp_add_~i~0 % 256); 8943#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8912#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8913#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8900#L76 assume !(0 == mp_add_~i~0 % 256); 8901#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 8723#L77-1 assume !(2 == mp_add_~i~0 % 256); 8896#L78-1 assume !(3 == mp_add_~i~0 % 256); 8891#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 8890#L82 assume !(0 == mp_add_~i~0 % 256); 8889#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 8573#L83-1 assume !(2 == mp_add_~i~0 % 256); 8888#L84-1 assume !(3 == mp_add_~i~0 % 256); 8886#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 8887#L87-1 assume !(0 == mp_add_~i~0 % 256); 8850#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 8851#L92-1 assume !(2 == mp_add_~i~0 % 256); 8846#L93-1 assume !(3 == mp_add_~i~0 % 256); 8847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8580#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8581#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8585#L76 assume !(0 == mp_add_~i~0 % 256); 8586#L76-2 assume !(1 == mp_add_~i~0 % 256); 8815#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 8574#L78-1 assume !(3 == mp_add_~i~0 % 256); 8575#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 8883#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 8932#L87-1 assume !(0 == mp_add_~i~0 % 256); 8930#L91-1 assume !(1 == mp_add_~i~0 % 256); 8928#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 8675#L93-1 assume !(3 == mp_add_~i~0 % 256); 8927#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8697#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8698#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 8926#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 8925#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 8683#L87-1 assume !(0 == mp_add_~i~0 % 256); 8923#L91-1 assume !(1 == mp_add_~i~0 % 256); 8914#L92-1 assume !(2 == mp_add_~i~0 % 256); 8905#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 8731#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8729#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8726#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8724#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 8725#L76-2 [2021-10-28 23:55:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:26,371 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 13 times [2021-10-28 23:55:26,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:26,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431914910] [2021-10-28 23:55:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:26,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:26,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:26,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash 301088585, now seen corresponding path program 1 times [2021-10-28 23:55:26,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:26,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856383450] [2021-10-28 23:55:26,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:26,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:26,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:26,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856383450] [2021-10-28 23:55:26,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856383450] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:26,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554800645] [2021-10-28 23:55:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:26,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:26,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:55:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:26,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:55:26,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-28 23:55:26,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554800645] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:26,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:26,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-28 23:55:26,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116523343] [2021-10-28 23:55:26,857 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:26,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:26,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:26,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:55:26,858 INFO L87 Difference]: Start difference. First operand 859 states and 1107 transitions. cyclomatic complexity: 255 Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:27,084 INFO L93 Difference]: Finished difference Result 1213 states and 1498 transitions. [2021-10-28 23:55:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:27,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1213 states and 1498 transitions. [2021-10-28 23:55:27,095 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1075 [2021-10-28 23:55:27,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1213 states to 1150 states and 1389 transitions. [2021-10-28 23:55:27,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1150 [2021-10-28 23:55:27,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1150 [2021-10-28 23:55:27,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1150 states and 1389 transitions. [2021-10-28 23:55:27,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:27,106 INFO L681 BuchiCegarLoop]: Abstraction has 1150 states and 1389 transitions. [2021-10-28 23:55:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states and 1389 transitions. [2021-10-28 23:55:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 955. [2021-10-28 23:55:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 955 states have (on average 1.237696335078534) internal successors, (1182), 954 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1182 transitions. [2021-10-28 23:55:27,126 INFO L704 BuchiCegarLoop]: Abstraction has 955 states and 1182 transitions. [2021-10-28 23:55:27,126 INFO L587 BuchiCegarLoop]: Abstraction has 955 states and 1182 transitions. [2021-10-28 23:55:27,127 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 23:55:27,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 955 states and 1182 transitions. [2021-10-28 23:55:27,132 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 907 [2021-10-28 23:55:27,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:27,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:27,133 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:27,133 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:27,133 INFO L791 eck$LassoCheckResult]: Stem: 10785#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 10776#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 10765#L51 assume !(0 == mp_add_~a3~0 % 256); 10766#L51-1 mp_add_~nb~0 := 4; 10778#L61 assume !(0 == mp_add_~b3~0 % 256); 11495#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 11496#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11491#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10954#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 10898#L76-2 [2021-10-28 23:55:27,134 INFO L793 eck$LassoCheckResult]: Loop: 10898#L76-2 assume !(1 == mp_add_~i~0 % 256); 10890#L77-1 assume !(2 == mp_add_~i~0 % 256); 10891#L78-1 assume !(3 == mp_add_~i~0 % 256); 10886#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 10887#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 10882#L82-2 assume !(1 == mp_add_~i~0 % 256); 10883#L83-1 assume !(2 == mp_add_~i~0 % 256); 10878#L84-1 assume !(3 == mp_add_~i~0 % 256); 10879#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11490#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 11489#L91-1 assume !(1 == mp_add_~i~0 % 256); 11488#L92-1 assume !(2 == mp_add_~i~0 % 256); 11487#L93-1 assume !(3 == mp_add_~i~0 % 256); 11486#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11485#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11484#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11483#L76 assume !(0 == mp_add_~i~0 % 256); 11482#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 10893#L77-1 assume !(2 == mp_add_~i~0 % 256); 11481#L78-1 assume !(3 == mp_add_~i~0 % 256); 11179#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 11177#L82 assume !(0 == mp_add_~i~0 % 256); 11176#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 11081#L83-1 assume !(2 == mp_add_~i~0 % 256); 11175#L84-1 assume !(3 == mp_add_~i~0 % 256); 11173#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11172#L87-1 assume !(0 == mp_add_~i~0 % 256); 11169#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 11167#L92-1 assume !(2 == mp_add_~i~0 % 256); 11164#L93-1 assume !(3 == mp_add_~i~0 % 256); 11160#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11155#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11140#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11141#L76 assume !(0 == mp_add_~i~0 % 256); 11255#L76-2 assume !(1 == mp_add_~i~0 % 256); 11254#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 11083#L78-1 assume !(3 == mp_add_~i~0 % 256); 11250#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11248#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 11249#L87-1 assume !(0 == mp_add_~i~0 % 256); 11221#L91-1 assume !(1 == mp_add_~i~0 % 256); 11222#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 10909#L93-1 assume !(3 == mp_add_~i~0 % 256); 11216#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11212#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11213#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11208#L76 assume !(0 == mp_add_~i~0 % 256); 11207#L76-2 assume !(1 == mp_add_~i~0 % 256); 11206#L77-1 assume !(2 == mp_add_~i~0 % 256); 11205#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 11079#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11072#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11124#L87-1 assume !(0 == mp_add_~i~0 % 256); 11070#L91-1 assume !(1 == mp_add_~i~0 % 256); 11065#L92-1 assume !(2 == mp_add_~i~0 % 256); 11060#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 11059#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11058#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11056#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 11053#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11054#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 11097#L87-1 assume !(0 == mp_add_~i~0 % 256); 10959#L91-1 assume !(1 == mp_add_~i~0 % 256); 10960#L92-1 assume !(2 == mp_add_~i~0 % 256); 10862#L93-1 assume !(3 == mp_add_~i~0 % 256); 10863#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 10854#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 10855#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10897#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 10898#L76-2 [2021-10-28 23:55:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:27,134 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 14 times [2021-10-28 23:55:27,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:27,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018285754] [2021-10-28 23:55:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:27,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:27,145 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:27,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2047891560, now seen corresponding path program 1 times [2021-10-28 23:55:27,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:27,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201478955] [2021-10-28 23:55:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:27,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 68 proven. 29 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 23:55:27,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:27,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201478955] [2021-10-28 23:55:27,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201478955] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:27,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941999283] [2021-10-28 23:55:27,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:27,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:27,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:27,234 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:55:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:27,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:55:27,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 9 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-28 23:55:27,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941999283] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:27,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:27,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-10-28 23:55:27,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398394795] [2021-10-28 23:55:27,728 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:27,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:27,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:55:27,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:55:27,729 INFO L87 Difference]: Start difference. First operand 955 states and 1182 transitions. cyclomatic complexity: 234 Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:28,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:28,317 INFO L93 Difference]: Finished difference Result 1770 states and 2113 transitions. [2021-10-28 23:55:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:55:28,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1770 states and 2113 transitions. [2021-10-28 23:55:28,330 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1714 [2021-10-28 23:55:28,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1770 states to 1762 states and 2091 transitions. [2021-10-28 23:55:28,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1762 [2021-10-28 23:55:28,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1762 [2021-10-28 23:55:28,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1762 states and 2091 transitions. [2021-10-28 23:55:28,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:28,348 INFO L681 BuchiCegarLoop]: Abstraction has 1762 states and 2091 transitions. [2021-10-28 23:55:28,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states and 2091 transitions. [2021-10-28 23:55:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1333. [2021-10-28 23:55:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1333 states have (on average 1.2123030757689421) internal successors, (1616), 1332 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1616 transitions. [2021-10-28 23:55:28,381 INFO L704 BuchiCegarLoop]: Abstraction has 1333 states and 1616 transitions. [2021-10-28 23:55:28,381 INFO L587 BuchiCegarLoop]: Abstraction has 1333 states and 1616 transitions. [2021-10-28 23:55:28,381 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 23:55:28,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1333 states and 1616 transitions. [2021-10-28 23:55:28,388 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1285 [2021-10-28 23:55:28,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:28,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:28,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:28,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:28,389 INFO L791 eck$LassoCheckResult]: Stem: 13739#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 13729#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 13719#L51 assume !(0 == mp_add_~a3~0 % 256); 13720#L51-1 mp_add_~nb~0 := 4; 14558#L61 assume !(0 == mp_add_~b3~0 % 256); 14559#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 14618#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14619#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14611#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 14280#L76-2 [2021-10-28 23:55:28,389 INFO L793 eck$LassoCheckResult]: Loop: 14280#L76-2 assume !(1 == mp_add_~i~0 % 256); 14602#L77-1 assume !(2 == mp_add_~i~0 % 256); 14603#L78-1 assume !(3 == mp_add_~i~0 % 256); 14578#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 14579#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 13755#L82-2 assume !(1 == mp_add_~i~0 % 256); 13756#L83-1 assume !(2 == mp_add_~i~0 % 256); 14566#L84-1 assume !(3 == mp_add_~i~0 % 256); 14567#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14562#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 14563#L91-1 assume !(1 == mp_add_~i~0 % 256); 14554#L92-1 assume !(2 == mp_add_~i~0 % 256); 14555#L93-1 assume !(3 == mp_add_~i~0 % 256); 14523#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14524#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14528#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14529#L76 assume !(0 == mp_add_~i~0 % 256); 14525#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 14271#L77-1 assume !(2 == mp_add_~i~0 % 256); 14520#L78-1 assume !(3 == mp_add_~i~0 % 256); 14501#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 14499#L82 assume !(0 == mp_add_~i~0 % 256); 14497#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 14259#L83-1 assume !(2 == mp_add_~i~0 % 256); 14495#L84-1 assume !(3 == mp_add_~i~0 % 256); 14493#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14483#L87-1 assume !(0 == mp_add_~i~0 % 256); 14484#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 14463#L92-1 assume !(2 == mp_add_~i~0 % 256); 14464#L93-1 assume !(3 == mp_add_~i~0 % 256); 14441#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14442#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14292#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14287#L76 assume !(0 == mp_add_~i~0 % 256); 14283#L76-2 assume !(1 == mp_add_~i~0 % 256); 14261#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 14253#L78-1 assume !(3 == mp_add_~i~0 % 256); 14246#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14217#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14214#L87-1 assume !(0 == mp_add_~i~0 % 256); 14212#L91-1 assume !(1 == mp_add_~i~0 % 256); 14210#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 14207#L93-1 assume !(3 == mp_add_~i~0 % 256); 14204#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14203#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14159#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14160#L76 assume !(0 == mp_add_~i~0 % 256); 14290#L76-2 assume !(1 == mp_add_~i~0 % 256); 14289#L77-1 assume !(2 == mp_add_~i~0 % 256); 14168#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 14147#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14141#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14135#L87-1 assume !(0 == mp_add_~i~0 % 256); 14133#L91-1 assume !(1 == mp_add_~i~0 % 256); 14130#L92-1 assume !(2 == mp_add_~i~0 % 256); 14127#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 14003#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14124#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14121#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 14123#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14101#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 14102#L87-1 assume !(0 == mp_add_~i~0 % 256); 14090#L91-1 assume !(1 == mp_add_~i~0 % 256); 14091#L92-1 assume !(2 == mp_add_~i~0 % 256); 14075#L93-1 assume !(3 == mp_add_~i~0 % 256); 14076#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14040#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14041#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14194#L76 assume !(0 == mp_add_~i~0 % 256); 14193#L76-2 assume !(1 == mp_add_~i~0 % 256); 14192#L77-1 assume !(2 == mp_add_~i~0 % 256); 14190#L78-1 assume !(3 == mp_add_~i~0 % 256); 14187#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14184#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14182#L87-1 assume !(0 == mp_add_~i~0 % 256); 14178#L91-1 assume !(1 == mp_add_~i~0 % 256); 14177#L92-1 assume !(2 == mp_add_~i~0 % 256); 14176#L93-1 assume !(3 == mp_add_~i~0 % 256); 14175#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14174#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14172#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 14171#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14145#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 14216#L87-1 assume !(0 == mp_add_~i~0 % 256); 14288#L91-1 assume !(1 == mp_add_~i~0 % 256); 14165#L92-1 assume !(2 == mp_add_~i~0 % 256); 13983#L93-1 assume !(3 == mp_add_~i~0 % 256); 14140#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14073#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14074#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14279#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 14280#L76-2 [2021-10-28 23:55:28,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:28,390 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 15 times [2021-10-28 23:55:28,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:28,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087286156] [2021-10-28 23:55:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:28,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:28,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:28,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:28,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash -953562426, now seen corresponding path program 2 times [2021-10-28 23:55:28,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:28,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920540885] [2021-10-28 23:55:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:28,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 163 proven. 9 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-28 23:55:28,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:28,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920540885] [2021-10-28 23:55:28,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920540885] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:28,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450740118] [2021-10-28 23:55:28,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:55:28,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:28,638 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:28,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:55:28,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:55:28,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:55:28,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:55:28,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-28 23:55:29,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450740118] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:29,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:29,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2021-10-28 23:55:29,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772120095] [2021-10-28 23:55:29,066 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:29,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:55:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:55:29,066 INFO L87 Difference]: Start difference. First operand 1333 states and 1616 transitions. cyclomatic complexity: 290 Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:30,401 INFO L93 Difference]: Finished difference Result 1507 states and 1659 transitions. [2021-10-28 23:55:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-28 23:55:30,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1507 states and 1659 transitions. [2021-10-28 23:55:30,413 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1144 [2021-10-28 23:55:30,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1507 states to 1344 states and 1487 transitions. [2021-10-28 23:55:30,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1344 [2021-10-28 23:55:30,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1344 [2021-10-28 23:55:30,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1344 states and 1487 transitions. [2021-10-28 23:55:30,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:30,427 INFO L681 BuchiCegarLoop]: Abstraction has 1344 states and 1487 transitions. [2021-10-28 23:55:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states and 1487 transitions. [2021-10-28 23:55:30,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 623. [2021-10-28 23:55:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 623 states have (on average 1.1621187800963082) internal successors, (724), 622 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 724 transitions. [2021-10-28 23:55:30,449 INFO L704 BuchiCegarLoop]: Abstraction has 623 states and 724 transitions. [2021-10-28 23:55:30,450 INFO L587 BuchiCegarLoop]: Abstraction has 623 states and 724 transitions. [2021-10-28 23:55:30,450 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 23:55:30,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 623 states and 724 transitions. [2021-10-28 23:55:30,453 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 560 [2021-10-28 23:55:30,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:30,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:30,457 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:30,457 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:30,457 INFO L791 eck$LassoCheckResult]: Stem: 16960#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 16953#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 16943#L51 assume !(0 == mp_add_~a3~0 % 256); 16944#L51-1 mp_add_~nb~0 := 4; 17199#L61 assume !(0 == mp_add_~b3~0 % 256); 17200#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 17219#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17220#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17217#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 16997#L76-2 [2021-10-28 23:55:30,457 INFO L793 eck$LassoCheckResult]: Loop: 16997#L76-2 assume !(1 == mp_add_~i~0 % 256); 17216#L77-1 assume !(2 == mp_add_~i~0 % 256); 17215#L78-1 assume !(3 == mp_add_~i~0 % 256); 17214#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17213#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 17052#L82-2 assume !(1 == mp_add_~i~0 % 256); 17212#L83-1 assume !(2 == mp_add_~i~0 % 256); 17211#L84-1 assume !(3 == mp_add_~i~0 % 256); 17210#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17208#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 17206#L91-1 assume !(1 == mp_add_~i~0 % 256); 17204#L92-1 assume !(2 == mp_add_~i~0 % 256); 17201#L93-1 assume !(3 == mp_add_~i~0 % 256); 17202#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17339#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17337#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17161#L76 assume !(0 == mp_add_~i~0 % 256); 17160#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 16995#L77-1 assume !(2 == mp_add_~i~0 % 256); 17159#L78-1 assume !(3 == mp_add_~i~0 % 256); 17158#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17157#L82 assume !(0 == mp_add_~i~0 % 256); 17156#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 17051#L83-1 assume !(2 == mp_add_~i~0 % 256); 17155#L84-1 assume !(3 == mp_add_~i~0 % 256); 17153#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17154#L87-1 assume !(0 == mp_add_~i~0 % 256); 17150#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 17131#L92-1 assume !(2 == mp_add_~i~0 % 256); 17127#L93-1 assume !(3 == mp_add_~i~0 % 256); 17120#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17121#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17116#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17115#L76 assume !(0 == mp_add_~i~0 % 256); 17114#L76-2 assume !(1 == mp_add_~i~0 % 256); 17113#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 16993#L78-1 assume !(3 == mp_add_~i~0 % 256); 17109#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17107#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17105#L87-1 assume !(0 == mp_add_~i~0 % 256); 17106#L91-1 assume !(1 == mp_add_~i~0 % 256); 17100#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 17098#L93-1 assume !(3 == mp_add_~i~0 % 256); 17096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17094#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17095#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17091#L76 assume !(0 == mp_add_~i~0 % 256); 17090#L76-2 assume !(1 == mp_add_~i~0 % 256); 17089#L77-1 assume !(2 == mp_add_~i~0 % 256); 17087#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 16989#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17014#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17081#L87-1 assume !(0 == mp_add_~i~0 % 256); 17082#L91-1 assume !(1 == mp_add_~i~0 % 256); 17077#L92-1 assume !(2 == mp_add_~i~0 % 256); 17078#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 17227#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17070#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17071#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17067#L76 assume !(0 == mp_add_~i~0 % 256); 17066#L76-2 assume !(1 == mp_add_~i~0 % 256); 17065#L77-1 assume !(2 == mp_add_~i~0 % 256); 17063#L78-1 assume !(3 == mp_add_~i~0 % 256); 17060#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17058#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17057#L87-1 assume !(0 == mp_add_~i~0 % 256); 17056#L91-1 assume !(1 == mp_add_~i~0 % 256); 17055#L92-1 assume !(2 == mp_add_~i~0 % 256); 17054#L93-1 assume !(3 == mp_add_~i~0 % 256); 17053#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17044#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17042#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17041#L76 assume !(0 == mp_add_~i~0 % 256); 17040#L76-2 assume !(1 == mp_add_~i~0 % 256); 17039#L77-1 assume !(2 == mp_add_~i~0 % 256); 17037#L78-1 assume !(3 == mp_add_~i~0 % 256); 17034#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17032#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17031#L87-1 assume !(0 == mp_add_~i~0 % 256); 17030#L91-1 assume !(1 == mp_add_~i~0 % 256); 17029#L92-1 assume !(2 == mp_add_~i~0 % 256); 17028#L93-1 assume !(3 == mp_add_~i~0 % 256); 17027#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17026#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17024#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17023#L76 assume !(0 == mp_add_~i~0 % 256); 17022#L76-2 assume !(1 == mp_add_~i~0 % 256); 17021#L77-1 assume !(2 == mp_add_~i~0 % 256); 17020#L78-1 assume !(3 == mp_add_~i~0 % 256); 17016#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17018#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17102#L87-1 assume !(0 == mp_add_~i~0 % 256); 17101#L91-1 assume !(1 == mp_add_~i~0 % 256); 17003#L92-1 assume !(2 == mp_add_~i~0 % 256); 17001#L93-1 assume !(3 == mp_add_~i~0 % 256); 17000#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 16999#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 16998#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 16996#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 16997#L76-2 [2021-10-28 23:55:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:30,458 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 16 times [2021-10-28 23:55:30,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:30,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375486030] [2021-10-28 23:55:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:30,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:30,478 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:30,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:30,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:30,490 INFO L85 PathProgramCache]: Analyzing trace with hash 128101928, now seen corresponding path program 1 times [2021-10-28 23:55:30,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:30,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725043266] [2021-10-28 23:55:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:30,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:30,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:30,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725043266] [2021-10-28 23:55:30,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725043266] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:30,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275361857] [2021-10-28 23:55:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:30,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:30,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:30,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:55:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:31,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:55:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 106 proven. 60 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-28 23:55:31,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275361857] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:31,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:31,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2021-10-28 23:55:31,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660304243] [2021-10-28 23:55:31,723 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:55:31,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:31,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-28 23:55:31,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2021-10-28 23:55:31,724 INFO L87 Difference]: Start difference. First operand 623 states and 724 transitions. cyclomatic complexity: 106 Second operand has 20 states, 19 states have (on average 7.894736842105263) internal successors, (150), 20 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:34,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:34,304 INFO L93 Difference]: Finished difference Result 618 states and 673 transitions. [2021-10-28 23:55:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-28 23:55:34,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 618 states and 673 transitions. [2021-10-28 23:55:34,308 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 59 [2021-10-28 23:55:34,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 618 states to 618 states and 673 transitions. [2021-10-28 23:55:34,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2021-10-28 23:55:34,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2021-10-28 23:55:34,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 618 states and 673 transitions. [2021-10-28 23:55:34,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:34,314 INFO L681 BuchiCegarLoop]: Abstraction has 618 states and 673 transitions. [2021-10-28 23:55:34,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states and 673 transitions. [2021-10-28 23:55:34,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 308. [2021-10-28 23:55:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.1363636363636365) internal successors, (350), 307 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 350 transitions. [2021-10-28 23:55:34,323 INFO L704 BuchiCegarLoop]: Abstraction has 308 states and 350 transitions. [2021-10-28 23:55:34,323 INFO L587 BuchiCegarLoop]: Abstraction has 308 states and 350 transitions. [2021-10-28 23:55:34,323 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 23:55:34,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 350 transitions. [2021-10-28 23:55:34,325 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:34,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:34,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:34,326 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:34,326 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:34,326 INFO L791 eck$LassoCheckResult]: Stem: 18575#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 18569#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 18559#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 18561#L53 assume !(0 == mp_add_~a2~0 % 256); 18587#L51-1 mp_add_~nb~0 := 4; 18562#L61 assume !(0 == mp_add_~b3~0 % 256); 18563#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 18695#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18691#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18689#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18686#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 18683#L82-2 assume !(1 == mp_add_~i~0 % 256); 18680#L83-1 assume !(2 == mp_add_~i~0 % 256); 18677#L84-1 assume !(3 == mp_add_~i~0 % 256); 18674#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18671#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 18668#L91-1 assume !(1 == mp_add_~i~0 % 256); 18665#L92-1 assume !(2 == mp_add_~i~0 % 256); 18662#L93-1 assume !(3 == mp_add_~i~0 % 256); 18659#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18656#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18645#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18637#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18636#L82 assume !(0 == mp_add_~i~0 % 256); 18635#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 18634#L83-1 assume !(2 == mp_add_~i~0 % 256); 18633#L84-1 assume !(3 == mp_add_~i~0 % 256); 18631#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18627#L87-1 assume !(0 == mp_add_~i~0 % 256); 18628#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 18619#L92-1 assume !(2 == mp_add_~i~0 % 256); 18620#L93-1 assume !(3 == mp_add_~i~0 % 256); 18611#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18612#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18601#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18602#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18596#L82 assume !(0 == mp_add_~i~0 % 256); 18597#L82-2 assume !(1 == mp_add_~i~0 % 256); 18592#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 18593#L84-1 assume !(3 == mp_add_~i~0 % 256); 18835#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18834#L87-1 assume !(0 == mp_add_~i~0 % 256); 18833#L91-1 assume !(1 == mp_add_~i~0 % 256); 18832#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 18831#L93-1 assume !(3 == mp_add_~i~0 % 256); 18830#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18829#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18828#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18826#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 18824#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18821#L87-1 assume !(0 == mp_add_~i~0 % 256); 18820#L91-1 assume !(1 == mp_add_~i~0 % 256); 18819#L92-1 assume !(2 == mp_add_~i~0 % 256); 18817#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 18816#L94-1 [2021-10-28 23:55:34,327 INFO L793 eck$LassoCheckResult]: Loop: 18816#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18815#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18814#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18591#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18582#L82 assume !(0 == mp_add_~i~0 % 256); 18583#L82-2 assume !(1 == mp_add_~i~0 % 256); 18589#L83-1 assume !(2 == mp_add_~i~0 % 256); 18584#L84-1 assume !(3 == mp_add_~i~0 % 256); 18585#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18848#L87-1 assume !(0 == mp_add_~i~0 % 256); 18847#L91-1 assume !(1 == mp_add_~i~0 % 256); 18846#L92-1 assume !(2 == mp_add_~i~0 % 256); 18818#L93-1 assume !(3 == mp_add_~i~0 % 256); 18816#L94-1 [2021-10-28 23:55:34,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:34,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1354191885, now seen corresponding path program 1 times [2021-10-28 23:55:34,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:34,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389599157] [2021-10-28 23:55:34,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:34,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 23:55:34,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:34,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389599157] [2021-10-28 23:55:34,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389599157] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:34,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616675527] [2021-10-28 23:55:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:34,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:34,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:34,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:34,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:55:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:34,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:55:34,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 23:55:34,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616675527] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:34,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:34,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 23:55:34,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605026653] [2021-10-28 23:55:34,891 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:34,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:34,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2021-10-28 23:55:34,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:34,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660615769] [2021-10-28 23:55:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:34,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:34,900 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:34,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:35,021 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:35,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:35,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:35,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:35,022 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:35,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:35,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:35,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:35,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration19_Loop [2021-10-28 23:55:35,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:35,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:35,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:35,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:35,258 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:35,259 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:35,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:35,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:35,262 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:35,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:55:35,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:35,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:35,283 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:55:35,283 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:55:35,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:35,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:35,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:35,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:35,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:55:35,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:35,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:35,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:35,422 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:35,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:35,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:35,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:55:36,332 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:36,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,336 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:36,336 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:36,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:36,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:36,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:36,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:36,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:36,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration19_Loop [2021-10-28 23:55:36,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:36,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:36,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:36,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:36,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:36,520 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:36,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,522 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:55:36,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:36,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:36,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,566 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:55:36,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:36,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:36,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,601 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:36,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,602 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:55:36,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:36,617 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:36,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,677 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:55:36,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,695 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:36,700 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:36,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,729 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:36,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,730 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:55:36,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:36,745 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:36,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,805 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:55:36,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,816 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:36,818 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:36,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,869 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:36,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,870 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:55:36,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:36,886 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:36,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:36,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:36,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:36,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:36,957 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:36,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:36,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:36,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:36,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:36,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:36,973 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:36,976 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:36,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:36,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:55:37,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,039 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:37,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,040 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:55:37,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,055 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:37,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,055 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:37,061 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:37,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,114 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:37,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,133 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:37,137 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:37,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:55:37,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,182 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:37,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:55:37,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,191 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:37,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:37,200 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:37,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,268 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:55:37,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,290 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,290 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:37,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:37,294 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:37,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,354 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:37,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,359 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,372 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,373 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:37,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,373 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:37,390 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:37,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:55:37,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,455 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,468 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:37,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,468 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:37,476 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:37,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:55:37,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,536 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:37,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,538 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,550 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:37,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,551 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:37,556 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:37,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:55:37,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,608 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,610 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 [2021-10-28 23:55:37,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,620 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:37,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,620 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:37,623 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:37,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:55:37,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,671 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:37,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,672 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,683 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:37,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,684 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:37,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:37,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:55:37,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:37,754 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:37,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:37,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:37,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:37,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:37,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:37,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:37,767 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:37,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:37,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:37,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:55:37,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:37,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:37,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:37,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:55:37,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:37,827 INFO L87 Difference]: Start difference. First operand 308 states and 350 transitions. cyclomatic complexity: 45 Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:37,980 INFO L93 Difference]: Finished difference Result 501 states and 558 transitions. [2021-10-28 23:55:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:55:37,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 501 states and 558 transitions. [2021-10-28 23:55:37,984 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 79 [2021-10-28 23:55:37,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 501 states to 488 states and 545 transitions. [2021-10-28 23:55:37,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 488 [2021-10-28 23:55:37,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 488 [2021-10-28 23:55:37,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 488 states and 545 transitions. [2021-10-28 23:55:37,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:37,989 INFO L681 BuchiCegarLoop]: Abstraction has 488 states and 545 transitions. [2021-10-28 23:55:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states and 545 transitions. [2021-10-28 23:55:37,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 374. [2021-10-28 23:55:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-28 23:55:37,998 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:37,998 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:37,998 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 23:55:37,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-28 23:55:38,001 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:38,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:38,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:38,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:38,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:38,002 INFO L791 eck$LassoCheckResult]: Stem: 19555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 19549#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 19539#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 19541#L53 assume !(0 == mp_add_~a2~0 % 256); 19551#L51-1 mp_add_~nb~0 := 4; 19542#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 19544#L63 assume !(0 == mp_add_~b2~0 % 256); 19545#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 19661#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19662#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19836#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19832#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 19833#L82-2 assume !(1 == mp_add_~i~0 % 256); 19828#L83-1 assume !(2 == mp_add_~i~0 % 256); 19829#L84-1 assume !(3 == mp_add_~i~0 % 256); 19824#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19825#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 19820#L91-1 assume !(1 == mp_add_~i~0 % 256); 19821#L92-1 assume !(2 == mp_add_~i~0 % 256); 19816#L93-1 assume !(3 == mp_add_~i~0 % 256); 19817#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19812#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19813#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19618#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19810#L82 assume !(0 == mp_add_~i~0 % 256); 19806#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 19807#L83-1 assume !(2 == mp_add_~i~0 % 256); 19856#L84-1 assume !(3 == mp_add_~i~0 % 256); 19857#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 19871#L87-1 assume !(0 == mp_add_~i~0 % 256); 19870#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 19869#L92-1 assume !(2 == mp_add_~i~0 % 256); 19868#L93-1 assume !(3 == mp_add_~i~0 % 256); 19867#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19866#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19865#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19864#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19774#L82 assume !(0 == mp_add_~i~0 % 256); 19844#L82-2 assume !(1 == mp_add_~i~0 % 256); 19845#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 19884#L84-1 assume !(3 == mp_add_~i~0 % 256); 19883#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 19882#L87-1 assume !(0 == mp_add_~i~0 % 256); 19881#L91-1 assume !(1 == mp_add_~i~0 % 256); 19880#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19879#L93-1 assume !(3 == mp_add_~i~0 % 256); 19878#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19877#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19876#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19862#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 19863#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19895#L87-1 assume !(0 == mp_add_~i~0 % 256); 19907#L91-1 assume !(1 == mp_add_~i~0 % 256); 19905#L92-1 assume !(2 == mp_add_~i~0 % 256); 19902#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 19892#L94-1 [2021-10-28 23:55:38,002 INFO L793 eck$LassoCheckResult]: Loop: 19892#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19887#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19886#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19667#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19561#L82 assume !(0 == mp_add_~i~0 % 256); 19562#L82-2 assume !(1 == mp_add_~i~0 % 256); 19569#L83-1 assume !(2 == mp_add_~i~0 % 256); 19563#L84-1 assume !(3 == mp_add_~i~0 % 256); 19564#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19908#L87-1 assume !(0 == mp_add_~i~0 % 256); 19906#L91-1 assume !(1 == mp_add_~i~0 % 256); 19904#L92-1 assume !(2 == mp_add_~i~0 % 256); 19903#L93-1 assume !(3 == mp_add_~i~0 % 256); 19892#L94-1 [2021-10-28 23:55:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:38,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2089281914, now seen corresponding path program 1 times [2021-10-28 23:55:38,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:38,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348260244] [2021-10-28 23:55:38,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:38,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 23:55:38,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:38,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348260244] [2021-10-28 23:55:38,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348260244] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:38,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:38,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:55:38,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616632021] [2021-10-28 23:55:38,076 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:38,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2021-10-28 23:55:38,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:38,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691766612] [2021-10-28 23:55:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:38,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:38,083 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:38,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:38,187 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:38,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:38,187 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:38,187 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:38,187 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:38,187 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:38,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:38,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:38,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration20_Loop [2021-10-28 23:55:38,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:38,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:38,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:38,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:38,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:38,368 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:38,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:38,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:38,369 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:38,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:38,379 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:38,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:55:38,400 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:55:38,400 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:55:38,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:38,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:38,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:38,434 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:38,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:38,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:38,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:55:38,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:38,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:38,518 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:38,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:55:38,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:38,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:39,350 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:39,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,354 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:39,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:39,354 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:39,354 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:39,354 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:39,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:39,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:39,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration20_Loop [2021-10-28 23:55:39,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:39,355 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:39,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:39,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:39,590 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:39,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:39,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,592 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:55:39,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:39,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:39,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,623 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,624 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 [2021-10-28 23:55:39,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:55:39,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:39,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:39,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,654 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:39,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,655 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:55:39,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,663 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:39,665 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:39,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 23:55:39,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,699 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:55:39,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,712 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:39,715 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:39,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 23:55:39,738 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:39,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,738 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:55:39,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,748 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:39,749 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:39,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 23:55:39,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,772 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:55:39,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:39,787 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:39,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,844 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:39,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,845 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:55:39,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,854 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:39,856 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:39,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,879 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:55:39,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:39,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,888 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:39,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:39,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:39,937 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:39,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,939 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:55:39,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:39,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:39,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:39,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:39,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:39,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:39,947 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:39,949 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:39,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:39,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:39,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 23:55:39,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:39,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:39,972 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:39,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:55:39,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,007 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:40,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,008 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:40,011 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:40,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 23:55:40,035 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:40,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,036 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:55:40,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,045 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,045 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:40,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,045 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:40,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:40,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,074 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:55:40,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,085 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:40,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,085 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:40,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:40,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,121 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:40,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,122 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:55:40,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,131 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,131 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:40,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:40,134 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:40,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 23:55:40,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,162 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:55:40,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,171 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:40,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,171 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:40,182 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:40,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,239 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:40,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,250 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,261 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:40,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,261 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:40,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:40,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:55:40,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,311 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,324 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:40,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:40,329 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:40,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:55:40,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,386 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:40,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,391 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,402 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:40,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,402 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:40,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:40,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:55:40,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:40,459 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:40,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:40,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:40,471 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:40,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:40,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:40,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:40,471 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:40,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:40,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:40,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 23:55:40,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:40,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:40,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:40,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:55:40,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:40,530 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:40,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:40,737 INFO L93 Difference]: Finished difference Result 1030 states and 1154 transitions. [2021-10-28 23:55:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:55:40,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1030 states and 1154 transitions. [2021-10-28 23:55:40,745 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 129 [2021-10-28 23:55:40,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1030 states to 1030 states and 1154 transitions. [2021-10-28 23:55:40,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1030 [2021-10-28 23:55:40,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1030 [2021-10-28 23:55:40,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1030 states and 1154 transitions. [2021-10-28 23:55:40,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:40,755 INFO L681 BuchiCegarLoop]: Abstraction has 1030 states and 1154 transitions. [2021-10-28 23:55:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states and 1154 transitions. [2021-10-28 23:55:40,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 374. [2021-10-28 23:55:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-28 23:55:40,767 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:40,767 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:40,767 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-28 23:55:40,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-28 23:55:40,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:40,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:40,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:40,771 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:40,771 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:40,771 INFO L791 eck$LassoCheckResult]: Stem: 20969#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 20965#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 20955#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 20957#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 20980#L55 assume !(0 == mp_add_~a1~0 % 256); 20981#L51-1 mp_add_~nb~0 := 4; 21222#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 21223#L63 assume !(0 == mp_add_~b2~0 % 256); 21221#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 21219#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21216#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21217#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21211#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 21212#L82-2 assume !(1 == mp_add_~i~0 % 256); 21263#L83-1 assume !(2 == mp_add_~i~0 % 256); 21264#L84-1 assume !(3 == mp_add_~i~0 % 256); 21259#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 21260#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 21255#L91-1 assume !(1 == mp_add_~i~0 % 256); 21256#L92-1 assume !(2 == mp_add_~i~0 % 256); 21251#L93-1 assume !(3 == mp_add_~i~0 % 256); 21252#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21247#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21248#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21035#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21306#L82 assume !(0 == mp_add_~i~0 % 256); 21305#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 21242#L83-1 assume !(2 == mp_add_~i~0 % 256); 21243#L84-1 assume !(3 == mp_add_~i~0 % 256); 21238#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 21237#L87-1 assume !(0 == mp_add_~i~0 % 256); 21236#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 21235#L92-1 assume !(2 == mp_add_~i~0 % 256); 21234#L93-1 assume !(3 == mp_add_~i~0 % 256); 21233#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21231#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21232#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21308#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21181#L82 assume !(0 == mp_add_~i~0 % 256); 21226#L82-2 assume !(1 == mp_add_~i~0 % 256); 21227#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 21291#L84-1 assume !(3 == mp_add_~i~0 % 256); 21289#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 21288#L87-1 assume !(0 == mp_add_~i~0 % 256); 21287#L91-1 assume !(1 == mp_add_~i~0 % 256); 21286#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 21284#L93-1 assume !(3 == mp_add_~i~0 % 256); 21281#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21280#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21277#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21276#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 21274#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 21273#L87-1 assume !(0 == mp_add_~i~0 % 256); 21320#L91-1 assume !(1 == mp_add_~i~0 % 256); 21319#L92-1 assume !(2 == mp_add_~i~0 % 256); 21267#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 20967#L94-1 [2021-10-28 23:55:40,771 INFO L793 eck$LassoCheckResult]: Loop: 20967#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 20963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20964#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 20982#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21279#L82 assume !(0 == mp_add_~i~0 % 256); 21278#L82-2 assume !(1 == mp_add_~i~0 % 256); 20988#L83-1 assume !(2 == mp_add_~i~0 % 256); 20989#L84-1 assume !(3 == mp_add_~i~0 % 256); 20974#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 20966#L87-1 assume !(0 == mp_add_~i~0 % 256); 20954#L91-1 assume !(1 == mp_add_~i~0 % 256); 20952#L92-1 assume !(2 == mp_add_~i~0 % 256); 20953#L93-1 assume !(3 == mp_add_~i~0 % 256); 20967#L94-1 [2021-10-28 23:55:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1727477869, now seen corresponding path program 1 times [2021-10-28 23:55:40,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:40,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483166700] [2021-10-28 23:55:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:40,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 23:55:40,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:40,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483166700] [2021-10-28 23:55:40,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483166700] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:40,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:40,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:55:40,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270681824] [2021-10-28 23:55:40,858 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:40,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:40,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 3 times [2021-10-28 23:55:40,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:40,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011854220] [2021-10-28 23:55:40,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:40,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:40,883 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:40,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:40,993 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:40,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:40,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:40,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:40,993 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:40,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:40,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:40,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:40,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2021-10-28 23:55:40,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:40,994 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:40,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:41,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:41,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:41,155 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:41,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:41,156 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 23:55:41,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:41,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:41,173 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:55:41,173 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:55:41,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:41,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:41,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:41,193 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:41,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 23:55:41,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:41,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:41,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 23:55:41,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:41,258 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:41,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:41,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 23:55:42,286 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:42,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,290 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:42,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:42,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:42,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:42,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:42,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:42,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:42,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2021-10-28 23:55:42,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:42,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:42,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:42,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:42,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:42,435 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:42,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,436 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 23:55:42,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:42,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:42,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,466 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 23:55:42,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:42,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:42,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 23:55:42,497 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:42,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,498 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 23:55:42,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,507 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:42,508 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:42,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 23:55:42,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,530 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 23:55:42,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,539 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:42,542 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:42,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,610 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:42,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,615 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,629 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:42,631 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:42,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 23:55:42,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,684 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,695 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:42,699 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:42,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 23:55:42,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,758 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:42,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,763 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,774 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:42,777 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:42,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 23:55:42,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,832 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 23:55:42,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:42,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,844 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:42,850 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:42,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,910 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:42,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,915 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:42,927 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:42,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:42,931 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:42,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 23:55:42,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:42,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:42,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:42,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,987 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:42,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:42,998 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:42,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:42,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:42,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:42,998 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:43,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:43,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 23:55:43,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 23:55:43,046 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:43,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,047 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 23:55:43,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,056 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:43,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,056 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:43,058 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:43,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 23:55:43,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,083 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 23:55:43,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,093 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:43,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,093 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:43,097 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:43,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 23:55:43,127 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:43,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,128 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 23:55:43,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,136 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,136 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:43,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,137 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:43,139 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:43,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:43,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,166 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 23:55:43,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,175 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:43,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,176 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:43,182 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:43,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-28 23:55:43,219 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:43,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,220 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 23:55:43,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,229 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:43,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,229 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:43,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:43,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:43,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,254 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 23:55:43,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,262 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:43,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:43,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:43,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 23:55:43,302 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:43,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,311 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 23:55:43,356 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,356 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:43,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,357 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:43,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:43,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:43,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:43,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:43,430 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:43,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 23:55:43,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:43,441 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:43,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:43,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:43,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:43,442 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:43,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:43,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:43,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:43,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:43,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:55:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:55:43,476 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:43,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:43,776 INFO L93 Difference]: Finished difference Result 1363 states and 1526 transitions. [2021-10-28 23:55:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:55:43,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1363 states and 1526 transitions. [2021-10-28 23:55:43,785 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 172 [2021-10-28 23:55:43,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1363 states to 1363 states and 1526 transitions. [2021-10-28 23:55:43,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1363 [2021-10-28 23:55:43,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1363 [2021-10-28 23:55:43,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1363 states and 1526 transitions. [2021-10-28 23:55:43,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:43,797 INFO L681 BuchiCegarLoop]: Abstraction has 1363 states and 1526 transitions. [2021-10-28 23:55:43,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states and 1526 transitions. [2021-10-28 23:55:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 374. [2021-10-28 23:55:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-28 23:55:43,812 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:43,812 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-28 23:55:43,812 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-10-28 23:55:43,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-28 23:55:43,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:43,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:43,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:43,815 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:43,815 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:43,815 INFO L791 eck$LassoCheckResult]: Stem: 22721#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 22717#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 22707#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22709#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22732#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22733#L51-1 mp_add_~nb~0 := 4; 22976#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 22975#L63 assume !(0 == mp_add_~b2~0 % 256); 22972#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 22970#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22967#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22968#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 22963#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 22964#L82-2 assume !(1 == mp_add_~i~0 % 256); 23015#L83-1 assume !(2 == mp_add_~i~0 % 256); 23016#L84-1 assume !(3 == mp_add_~i~0 % 256); 23011#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 23012#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 23007#L91-1 assume !(1 == mp_add_~i~0 % 256); 23008#L92-1 assume !(2 == mp_add_~i~0 % 256); 23003#L93-1 assume !(3 == mp_add_~i~0 % 256); 23004#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22999#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 23000#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22787#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 23058#L82 assume !(0 == mp_add_~i~0 % 256); 23057#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 22994#L83-1 assume !(2 == mp_add_~i~0 % 256); 22995#L84-1 assume !(3 == mp_add_~i~0 % 256); 22990#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 22989#L87-1 assume !(0 == mp_add_~i~0 % 256); 22988#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 22987#L92-1 assume !(2 == mp_add_~i~0 % 256); 22986#L93-1 assume !(3 == mp_add_~i~0 % 256); 22985#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22983#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22984#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 23060#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 22933#L82 assume !(0 == mp_add_~i~0 % 256); 22978#L82-2 assume !(1 == mp_add_~i~0 % 256); 22979#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 23043#L84-1 assume !(3 == mp_add_~i~0 % 256); 23041#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 23040#L87-1 assume !(0 == mp_add_~i~0 % 256); 23039#L91-1 assume !(1 == mp_add_~i~0 % 256); 23038#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 23036#L93-1 assume !(3 == mp_add_~i~0 % 256); 23033#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 23032#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 23029#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 23028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 23026#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 23025#L87-1 assume !(0 == mp_add_~i~0 % 256); 23072#L91-1 assume !(1 == mp_add_~i~0 % 256); 23071#L92-1 assume !(2 == mp_add_~i~0 % 256); 23019#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 22719#L94-1 [2021-10-28 23:55:43,815 INFO L793 eck$LassoCheckResult]: Loop: 22719#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22715#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22716#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22735#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 23031#L82 assume !(0 == mp_add_~i~0 % 256); 23030#L82-2 assume !(1 == mp_add_~i~0 % 256); 22740#L83-1 assume !(2 == mp_add_~i~0 % 256); 22741#L84-1 assume !(3 == mp_add_~i~0 % 256); 22726#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 22718#L87-1 assume !(0 == mp_add_~i~0 % 256); 22706#L91-1 assume !(1 == mp_add_~i~0 % 256); 22704#L92-1 assume !(2 == mp_add_~i~0 % 256); 22705#L93-1 assume !(3 == mp_add_~i~0 % 256); 22719#L94-1 [2021-10-28 23:55:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:43,816 INFO L85 PathProgramCache]: Analyzing trace with hash 189137839, now seen corresponding path program 1 times [2021-10-28 23:55:43,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:43,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161309874] [2021-10-28 23:55:43,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:43,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 23:55:43,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:43,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161309874] [2021-10-28 23:55:43,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161309874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:43,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:43,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:55:43,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823310644] [2021-10-28 23:55:43,910 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:43,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 4 times [2021-10-28 23:55:43,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:43,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823675928] [2021-10-28 23:55:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:43,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:43,916 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:43,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:44,021 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:44,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:44,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:44,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:44,021 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:44,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:44,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:44,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:44,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-10-28 23:55:44,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:44,022 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:44,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:44,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:44,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:44,226 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:44,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:44,227 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:44,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 23:55:44,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:44,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:44,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:44,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:44,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:44,290 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:44,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 23:55:44,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:44,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:45,069 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:45,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 23:55:45,072 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:45,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:45,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:45,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:45,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:45,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:45,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:45,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-10-28 23:55:45,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:45,073 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:45,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:45,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:45,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:45,235 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:45,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,236 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 23:55:45,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:45,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:45,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 23:55:45,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,268 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 23:55:45,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:45,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:45,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,297 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:45,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,298 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 23:55:45,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,306 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:45,309 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:45,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,373 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,394 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:45,396 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:45,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 23:55:45,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,438 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:45,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,439 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 23:55:45,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,465 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 23:55:45,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,513 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 23:55:45,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,521 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 23:55:45,544 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:45,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,545 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 23:55:45,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,554 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:45,558 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:45,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 23:55:45,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,587 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 23:55:45,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:45,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,596 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:45,598 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:45,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,620 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:45,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,621 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 23:55:45,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,630 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:45,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,630 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:45,633 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:45,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,661 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 23:55:45,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,669 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,669 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:45,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,669 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:45,671 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:45,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,693 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:45,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,693 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 23:55:45,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,704 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:45,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,704 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,711 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,744 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 23:55:45,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,754 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:45,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,754 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,756 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,780 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:45,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,781 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 23:55:45,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,790 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:45,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,790 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:45,795 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:45,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,826 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 23:55:45,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,835 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:45,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:45,837 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:45,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,864 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:45,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,865 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 23:55:45,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,873 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,873 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:45,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,873 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,876 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,902 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 23:55:45,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,910 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:45,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:45,912 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:45,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-28 23:55:45,934 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:45,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,935 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 23:55:45,936 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 [2021-10-28 23:55:45,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,943 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:45,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,944 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:45,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:45,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:45,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:45,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:45,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:45,978 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:45,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 23:55:45,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:45,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:45,986 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:45,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:45,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:45,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:45,987 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:45,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:45,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:45,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:46,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:46,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:46,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:55:46,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:46,015 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:46,437 INFO L93 Difference]: Finished difference Result 1337 states and 1496 transitions. [2021-10-28 23:55:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:55:46,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1337 states and 1496 transitions. [2021-10-28 23:55:46,447 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 172 [2021-10-28 23:55:46,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1337 states to 1337 states and 1496 transitions. [2021-10-28 23:55:46,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1337 [2021-10-28 23:55:46,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1337 [2021-10-28 23:55:46,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1337 states and 1496 transitions. [2021-10-28 23:55:46,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:46,459 INFO L681 BuchiCegarLoop]: Abstraction has 1337 states and 1496 transitions. [2021-10-28 23:55:46,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states and 1496 transitions. [2021-10-28 23:55:46,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 338. [2021-10-28 23:55:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.1242603550295858) internal successors, (380), 337 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 380 transitions. [2021-10-28 23:55:46,472 INFO L704 BuchiCegarLoop]: Abstraction has 338 states and 380 transitions. [2021-10-28 23:55:46,472 INFO L587 BuchiCegarLoop]: Abstraction has 338 states and 380 transitions. [2021-10-28 23:55:46,472 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-10-28 23:55:46,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 380 transitions. [2021-10-28 23:55:46,473 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:46,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:46,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:46,474 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:46,474 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:46,475 INFO L791 eck$LassoCheckResult]: Stem: 24452#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 24445#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 24433#L51 assume !(0 == mp_add_~a3~0 % 256); 24434#L51-1 mp_add_~nb~0 := 4; 24436#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 24438#L63 assume !(0 == mp_add_~b2~0 % 256); 24439#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 24450#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24528#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24527#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 24526#L76-2 assume !(1 == mp_add_~i~0 % 256); 24525#L77-1 assume !(2 == mp_add_~i~0 % 256); 24524#L78-1 assume !(3 == mp_add_~i~0 % 256); 24522#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24521#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 24520#L82-2 assume !(1 == mp_add_~i~0 % 256); 24519#L83-1 assume !(2 == mp_add_~i~0 % 256); 24518#L84-1 assume !(3 == mp_add_~i~0 % 256); 24517#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24516#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 24515#L91-1 assume !(1 == mp_add_~i~0 % 256); 24514#L92-1 assume !(2 == mp_add_~i~0 % 256); 24513#L93-1 assume !(3 == mp_add_~i~0 % 256); 24512#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24508#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24510#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24763#L82 assume !(0 == mp_add_~i~0 % 256); 24762#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 24761#L83-1 assume !(2 == mp_add_~i~0 % 256); 24760#L84-1 assume !(3 == mp_add_~i~0 % 256); 24759#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24758#L87-1 assume !(0 == mp_add_~i~0 % 256); 24757#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 24756#L92-1 assume !(2 == mp_add_~i~0 % 256); 24755#L93-1 assume !(3 == mp_add_~i~0 % 256); 24753#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24751#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24749#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24748#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24613#L82 assume !(0 == mp_add_~i~0 % 256); 24744#L82-2 assume !(1 == mp_add_~i~0 % 256); 24743#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 24741#L84-1 assume !(3 == mp_add_~i~0 % 256); 24739#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24737#L87-1 assume !(0 == mp_add_~i~0 % 256); 24735#L91-1 assume !(1 == mp_add_~i~0 % 256); 24733#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 24731#L93-1 assume !(3 == mp_add_~i~0 % 256); 24729#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24728#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24722#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24720#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 24718#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24717#L87-1 assume !(0 == mp_add_~i~0 % 256); 24754#L91-1 assume !(1 == mp_add_~i~0 % 256); 24752#L92-1 assume !(2 == mp_add_~i~0 % 256); 24750#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 24451#L94-1 [2021-10-28 23:55:46,475 INFO L793 eck$LassoCheckResult]: Loop: 24451#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24747#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24746#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24547#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24458#L82 assume !(0 == mp_add_~i~0 % 256); 24459#L82-2 assume !(1 == mp_add_~i~0 % 256); 24471#L83-1 assume !(2 == mp_add_~i~0 % 256); 24472#L84-1 assume !(3 == mp_add_~i~0 % 256); 24742#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24740#L87-1 assume !(0 == mp_add_~i~0 % 256); 24738#L91-1 assume !(1 == mp_add_~i~0 % 256); 24443#L92-1 assume !(2 == mp_add_~i~0 % 256); 24444#L93-1 assume !(3 == mp_add_~i~0 % 256); 24451#L94-1 [2021-10-28 23:55:46,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1803371216, now seen corresponding path program 1 times [2021-10-28 23:55:46,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:46,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418132073] [2021-10-28 23:55:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:46,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 23:55:46,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:46,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418132073] [2021-10-28 23:55:46,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418132073] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:46,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066923938] [2021-10-28 23:55:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:46,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:46,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:46,598 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:46,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2021-10-28 23:55:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:46,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:55:46,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 23:55:47,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066923938] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:47,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:47,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 23:55:47,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813749332] [2021-10-28 23:55:47,117 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:47,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:47,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 5 times [2021-10-28 23:55:47,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:47,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115519297] [2021-10-28 23:55:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:47,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:47,124 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:47,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:47,231 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:47,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:47,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:47,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:47,232 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:47,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:47,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:47,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:47,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-10-28 23:55:47,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:47,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:47,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:47,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:47,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:47,453 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:47,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:47,458 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:47,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:47,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:47,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 23:55:47,486 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:55:47,486 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:55:47,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:47,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:47,520 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:47,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:47,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 23:55:47,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:47,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:47,632 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:47,634 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:47,634 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:47,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 23:55:48,096 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:48,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-28 23:55:48,100 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:48,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:48,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:48,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:48,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:48,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:48,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:48,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-10-28 23:55:48,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:48,101 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:48,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:48,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:48,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:48,291 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:48,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,292 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 23:55:48,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:48,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:48,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-28 23:55:48,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,322 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 23:55:48,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:48,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:48,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,356 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:48,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,357 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 23:55:48,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:48,367 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:48,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-28 23:55:48,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,388 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 23:55:48,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,397 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:48,399 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:48,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 23:55:48,421 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:48,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,422 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 23:55:48,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,430 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,432 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-28 23:55:48,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,454 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 23:55:48,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,463 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,489 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:48,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,490 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 23:55:48,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:48,501 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:48,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,524 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 23:55:48,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:48,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:48,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:48,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,561 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:48,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,562 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 23:55:48,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,570 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:48,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,570 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:48,571 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:48,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 23:55:48,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,595 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 23:55:48,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,603 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:48,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,603 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:48,606 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:48,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 23:55:48,630 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:48,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,631 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 23:55:48,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,640 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:48,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 23:55:48,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,684 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 23:55:48,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,692 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:48,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,693 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,699 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 23:55:48,728 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:48,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,729 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 23:55:48,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,738 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:48,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,738 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:48,740 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:48,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 23:55:48,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,775 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 23:55:48,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,784 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:48,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:48,791 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:48,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-28 23:55:48,823 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:48,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,824 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 23:55:48,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,832 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:48,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 23:55:48,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,857 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 23:55:48,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,866 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:48,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,866 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:48,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:48,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,895 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:48,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,895 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 23:55:48,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,904 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:48,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,904 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:48,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:48,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-28 23:55:48,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:48,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:48,932 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:48,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 23:55:48,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:48,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:48,940 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:48,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:48,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:48,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:48,941 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:48,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:48,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:48,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:48,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:55:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:48,975 INFO L87 Difference]: Start difference. First operand 338 states and 380 transitions. cyclomatic complexity: 45 Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:49,121 INFO L93 Difference]: Finished difference Result 602 states and 669 transitions. [2021-10-28 23:55:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:55:49,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 602 states and 669 transitions. [2021-10-28 23:55:49,124 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 86 [2021-10-28 23:55:49,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 602 states to 578 states and 642 transitions. [2021-10-28 23:55:49,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 578 [2021-10-28 23:55:49,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 578 [2021-10-28 23:55:49,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 578 states and 642 transitions. [2021-10-28 23:55:49,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:49,129 INFO L681 BuchiCegarLoop]: Abstraction has 578 states and 642 transitions. [2021-10-28 23:55:49,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states and 642 transitions. [2021-10-28 23:55:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 450. [2021-10-28 23:55:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 450 states have (on average 1.12) internal successors, (504), 449 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 504 transitions. [2021-10-28 23:55:49,139 INFO L704 BuchiCegarLoop]: Abstraction has 450 states and 504 transitions. [2021-10-28 23:55:49,139 INFO L587 BuchiCegarLoop]: Abstraction has 450 states and 504 transitions. [2021-10-28 23:55:49,139 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-10-28 23:55:49,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 450 states and 504 transitions. [2021-10-28 23:55:49,141 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:49,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:49,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:49,142 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:49,142 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:49,142 INFO L791 eck$LassoCheckResult]: Stem: 25578#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 25570#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 25558#L51 assume !(0 == mp_add_~a3~0 % 256); 25559#L51-1 mp_add_~nb~0 := 4; 25775#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 25564#L63 assume !(0 == mp_add_~b2~0 % 256); 25565#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 25702#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25703#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25698#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 25699#L76-2 assume !(1 == mp_add_~i~0 % 256); 25690#L77-1 assume !(2 == mp_add_~i~0 % 256); 25691#L78-1 assume !(3 == mp_add_~i~0 % 256); 25682#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25679#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25675#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 25670#L91-1 assume !(1 == mp_add_~i~0 % 256); 25665#L92-1 assume !(2 == mp_add_~i~0 % 256); 25660#L93-1 assume !(3 == mp_add_~i~0 % 256); 25655#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25651#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25648#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25644#L76 assume !(0 == mp_add_~i~0 % 256); 25640#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 25636#L77-1 assume !(2 == mp_add_~i~0 % 256); 25632#L78-1 assume !(3 == mp_add_~i~0 % 256); 25629#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25628#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25627#L87-1 assume !(0 == mp_add_~i~0 % 256); 25626#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 25625#L92-1 assume !(2 == mp_add_~i~0 % 256); 25624#L93-1 assume !(3 == mp_add_~i~0 % 256); 25623#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25622#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25621#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25620#L76 assume !(0 == mp_add_~i~0 % 256); 25619#L76-2 assume !(1 == mp_add_~i~0 % 256); 25618#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 25617#L78-1 assume !(3 == mp_add_~i~0 % 256); 25616#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25615#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25614#L87-1 assume !(0 == mp_add_~i~0 % 256); 25613#L91-1 assume !(1 == mp_add_~i~0 % 256); 25612#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 25611#L93-1 assume !(3 == mp_add_~i~0 % 256); 25610#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25609#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25608#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25607#L76 assume !(0 == mp_add_~i~0 % 256); 25606#L76-2 assume !(1 == mp_add_~i~0 % 256); 25605#L77-1 assume !(2 == mp_add_~i~0 % 256); 25602#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 25603#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25678#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25673#L87-1 assume !(0 == mp_add_~i~0 % 256); 25668#L91-1 assume !(1 == mp_add_~i~0 % 256); 25663#L92-1 assume !(2 == mp_add_~i~0 % 256); 25658#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 25654#L94-1 [2021-10-28 23:55:49,142 INFO L793 eck$LassoCheckResult]: Loop: 25654#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25650#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25647#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25643#L76 assume !(0 == mp_add_~i~0 % 256); 25639#L76-2 assume !(1 == mp_add_~i~0 % 256); 25635#L77-1 assume !(2 == mp_add_~i~0 % 256); 25604#L78-1 assume !(3 == mp_add_~i~0 % 256); 25591#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25592#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25674#L87-1 assume !(0 == mp_add_~i~0 % 256); 25669#L91-1 assume !(1 == mp_add_~i~0 % 256); 25664#L92-1 assume !(2 == mp_add_~i~0 % 256); 25659#L93-1 assume !(3 == mp_add_~i~0 % 256); 25654#L94-1 [2021-10-28 23:55:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash -770601916, now seen corresponding path program 1 times [2021-10-28 23:55:49,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:49,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602511928] [2021-10-28 23:55:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:49,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 23:55:49,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:49,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602511928] [2021-10-28 23:55:49,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602511928] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:49,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:49,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:55:49,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554135654] [2021-10-28 23:55:49,216 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:49,217 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-10-28 23:55:49,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:49,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061158226] [2021-10-28 23:55:49,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:49,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:49,251 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:49,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:49,347 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:49,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:49,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:49,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:49,348 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:49,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:49,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:49,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:49,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-10-28 23:55:49,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:49,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:49,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:49,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:49,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:49,527 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:49,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:49,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:49,528 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:49,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 23:55:49,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:49,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:49,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-28 23:55:49,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:49,583 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:49,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 23:55:49,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:49,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:49,985 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:49,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:49,988 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:49,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:49,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:49,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:49,989 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:49,989 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:49,989 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:49,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:49,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-10-28 23:55:49,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:49,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:49,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:50,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:50,138 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:50,138 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:50,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,139 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 23:55:50,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:50,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:50,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,171 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 23:55:50,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:50,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:50,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-28 23:55:50,200 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:50,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,201 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 23:55:50,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,209 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:50,212 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:50,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,236 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 23:55:50,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:50,246 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:50,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-10-28 23:55:50,267 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:50,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,268 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 23:55:50,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,276 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,280 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-10-28 23:55:50,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,304 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 23:55:50,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,312 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,314 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,335 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:50,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,336 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 23:55:50,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,345 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:50,349 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:50,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,374 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 23:55:50,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:50,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:50,385 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:50,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-28 23:55:50,408 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:50,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,409 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:50,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,420 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:50,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 23:55:50,423 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:50,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-28 23:55:50,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,460 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 23:55:50,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,477 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:50,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:50,479 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:50,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,515 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:50,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,516 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 23:55:50,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,527 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,527 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:50,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,532 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,599 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,612 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:50,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,613 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,615 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 23:55:50,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,666 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:50,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,667 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 23:55:50,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,678 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:50,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,679 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:50,685 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:50,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,763 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,774 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:50,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,774 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:50,778 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:50,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 23:55:50,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,821 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:50,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,822 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:50,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 23:55:50,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,899 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,909 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:50,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:50,912 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:50,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:50,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 23:55:50,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:50,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:50,962 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:50,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:50,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:50,963 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:50,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:50,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 23:55:50,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:50,979 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:50,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:50,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:50,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:50,980 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:50,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:50,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:51,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:51,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:51,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:51,038 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:51,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 23:55:51,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:51,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:51,047 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:51,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:51,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:51,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:51,047 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:51,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:51,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:51,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:51,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-10-28 23:55:51,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:51,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:55:51,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:51,076 INFO L87 Difference]: Start difference. First operand 450 states and 504 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:51,296 INFO L93 Difference]: Finished difference Result 813 states and 904 transitions. [2021-10-28 23:55:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:55:51,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 813 states and 904 transitions. [2021-10-28 23:55:51,300 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 116 [2021-10-28 23:55:51,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 813 states to 813 states and 904 transitions. [2021-10-28 23:55:51,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 813 [2021-10-28 23:55:51,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 813 [2021-10-28 23:55:51,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 813 states and 904 transitions. [2021-10-28 23:55:51,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:51,308 INFO L681 BuchiCegarLoop]: Abstraction has 813 states and 904 transitions. [2021-10-28 23:55:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states and 904 transitions. [2021-10-28 23:55:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 466. [2021-10-28 23:55:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 466 states have (on average 1.1158798283261802) internal successors, (520), 465 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 520 transitions. [2021-10-28 23:55:51,319 INFO L704 BuchiCegarLoop]: Abstraction has 466 states and 520 transitions. [2021-10-28 23:55:51,319 INFO L587 BuchiCegarLoop]: Abstraction has 466 states and 520 transitions. [2021-10-28 23:55:51,320 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-10-28 23:55:51,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 466 states and 520 transitions. [2021-10-28 23:55:51,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:51,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:51,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:51,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:51,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:51,322 INFO L791 eck$LassoCheckResult]: Stem: 26856#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 26847#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 26836#L51 assume !(0 == mp_add_~a3~0 % 256); 26837#L51-1 mp_add_~nb~0 := 4; 26839#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 26841#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 27104#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 26929#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 26930#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26925#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26926#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 26921#L76-2 assume !(1 == mp_add_~i~0 % 256); 26922#L77-1 assume !(2 == mp_add_~i~0 % 256); 26917#L78-1 assume !(3 == mp_add_~i~0 % 256); 26918#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26916#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26969#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 26968#L91-1 assume !(1 == mp_add_~i~0 % 256); 26967#L92-1 assume !(2 == mp_add_~i~0 % 256); 26966#L93-1 assume !(3 == mp_add_~i~0 % 256); 26965#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26964#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26963#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26962#L76 assume !(0 == mp_add_~i~0 % 256); 26961#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 26960#L77-1 assume !(2 == mp_add_~i~0 % 256); 26959#L78-1 assume !(3 == mp_add_~i~0 % 256); 26886#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26883#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26882#L87-1 assume !(0 == mp_add_~i~0 % 256); 26881#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 26880#L92-1 assume !(2 == mp_add_~i~0 % 256); 26879#L93-1 assume !(3 == mp_add_~i~0 % 256); 26878#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26877#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26876#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26875#L76 assume !(0 == mp_add_~i~0 % 256); 26874#L76-2 assume !(1 == mp_add_~i~0 % 256); 26873#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 26861#L78-1 assume !(3 == mp_add_~i~0 % 256); 26862#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26860#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26848#L87-1 assume !(0 == mp_add_~i~0 % 256); 26835#L91-1 assume !(1 == mp_add_~i~0 % 256); 26833#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 26834#L93-1 assume !(3 == mp_add_~i~0 % 256); 26855#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26845#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26846#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 27292#L76 assume !(0 == mp_add_~i~0 % 256); 27291#L76-2 assume !(1 == mp_add_~i~0 % 256); 27290#L77-1 assume !(2 == mp_add_~i~0 % 256); 27289#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 27288#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27287#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 27286#L87-1 assume !(0 == mp_add_~i~0 % 256); 27285#L91-1 assume !(1 == mp_add_~i~0 % 256); 27284#L92-1 assume !(2 == mp_add_~i~0 % 256); 27283#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 26851#L94-1 [2021-10-28 23:55:51,322 INFO L793 eck$LassoCheckResult]: Loop: 26851#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26852#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 27015#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26871#L76 assume !(0 == mp_add_~i~0 % 256); 26859#L76-2 assume !(1 == mp_add_~i~0 % 256); 26857#L77-1 assume !(2 == mp_add_~i~0 % 256); 26858#L78-1 assume !(3 == mp_add_~i~0 % 256); 27298#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27297#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 27296#L87-1 assume !(0 == mp_add_~i~0 % 256); 27295#L91-1 assume !(1 == mp_add_~i~0 % 256); 27294#L92-1 assume !(2 == mp_add_~i~0 % 256); 27293#L93-1 assume !(3 == mp_add_~i~0 % 256); 26851#L94-1 [2021-10-28 23:55:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:51,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1789197322, now seen corresponding path program 1 times [2021-10-28 23:55:51,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:51,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121285782] [2021-10-28 23:55:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:51,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 23:55:51,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:51,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121285782] [2021-10-28 23:55:51,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121285782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:51,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:51,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:55:51,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641821006] [2021-10-28 23:55:51,412 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:51,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-10-28 23:55:51,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:51,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957776705] [2021-10-28 23:55:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:51,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:51,418 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:51,421 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:51,525 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:51,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:51,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:51,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:51,525 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:51,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:51,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:51,525 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:51,525 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-10-28 23:55:51,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:51,526 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:51,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:51,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:51,765 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:51,765 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:51,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:51,766 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:51,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 23:55:51,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:51,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:51,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-10-28 23:55:51,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:51,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:51,829 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:51,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 23:55:51,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:51,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:54,571 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:54,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,574 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:54,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:54,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:54,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:54,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:54,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:54,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:54,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-10-28 23:55:54,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:54,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:54,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:54,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:54,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:54,719 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:54,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,720 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 23:55:54,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:54,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:54,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-10-28 23:55:54,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,751 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 23:55:54,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:54,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:54,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,783 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:54,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,784 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 23:55:54,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,792 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:54,794 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:54,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,817 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 23:55:54,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:54,827 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:54,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-28 23:55:54,848 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:54,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,848 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 23:55:54,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:54,861 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:54,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,885 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 23:55:54,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,893 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:54,895 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:54,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,916 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:54,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,917 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 23:55:54,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,926 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:54,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:54,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,955 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 23:55:54,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:54,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,964 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:54,966 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:54,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:54,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:54,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:54,988 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:54,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:54,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,990 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 23:55:54,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:54,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:54,998 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:54,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:54,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:54,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:54,998 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:55,001 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:55,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-10-28 23:55:55,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,027 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 23:55:55,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,038 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:55,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,038 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:55,039 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:55,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 23:55:55,061 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:55,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,062 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 23:55:55,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,071 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:55,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:55,075 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:55,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-10-28 23:55:55,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,105 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 23:55:55,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,113 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:55,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,113 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:55,115 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:55,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 23:55:55,139 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:55,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,140 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 23:55:55,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,148 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:55,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,149 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:55,153 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:55,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-10-28 23:55:55,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,187 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 23:55:55,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,195 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:55,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,196 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:55,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:55,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-28 23:55:55,224 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:55,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,225 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 23:55:55,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,234 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:55,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,235 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:55,238 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:55,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-10-28 23:55:55,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,263 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 23:55:55,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,271 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:55,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,272 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:55,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:55,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-28 23:55:55,296 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:55:55,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,297 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 23:55:55,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,306 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:55,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,306 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:55,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:55,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-10-28 23:55:55,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:55,340 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:55,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 23:55:55,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:55,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:55,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:55,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:55,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:55,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:55,348 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:55:55,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:55:55,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:55,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:55,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:55,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:55,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:55:55,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:55,408 INFO L87 Difference]: Start difference. First operand 466 states and 520 transitions. cyclomatic complexity: 57 Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:55,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:55,917 INFO L93 Difference]: Finished difference Result 1092 states and 1211 transitions. [2021-10-28 23:55:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:55:55,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1092 states and 1211 transitions. [2021-10-28 23:55:55,924 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 159 [2021-10-28 23:55:55,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1092 states to 1092 states and 1211 transitions. [2021-10-28 23:55:55,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1092 [2021-10-28 23:55:55,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1092 [2021-10-28 23:55:55,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1092 states and 1211 transitions. [2021-10-28 23:55:55,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:55:55,933 INFO L681 BuchiCegarLoop]: Abstraction has 1092 states and 1211 transitions. [2021-10-28 23:55:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states and 1211 transitions. [2021-10-28 23:55:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 437. [2021-10-28 23:55:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 437 states have (on average 1.1167048054919908) internal successors, (488), 436 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 488 transitions. [2021-10-28 23:55:55,949 INFO L704 BuchiCegarLoop]: Abstraction has 437 states and 488 transitions. [2021-10-28 23:55:55,949 INFO L587 BuchiCegarLoop]: Abstraction has 437 states and 488 transitions. [2021-10-28 23:55:55,949 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-10-28 23:55:55,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 437 states and 488 transitions. [2021-10-28 23:55:55,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:55:55,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:55:55,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:55:55,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:55,952 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:55,952 INFO L791 eck$LassoCheckResult]: Stem: 28428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 28421#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 28409#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 28411#L53 assume !(0 == mp_add_~a2~0 % 256); 28438#L51-1 mp_add_~nb~0 := 4; 28412#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 28414#L63 assume !(0 == mp_add_~b2~0 % 256); 28513#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 28514#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28509#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 28510#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 28505#L76-2 assume !(1 == mp_add_~i~0 % 256); 28506#L77-1 assume !(2 == mp_add_~i~0 % 256); 28501#L78-1 assume !(3 == mp_add_~i~0 % 256); 28502#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28497#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 28498#L82-2 assume !(1 == mp_add_~i~0 % 256); 28493#L83-1 assume !(2 == mp_add_~i~0 % 256); 28494#L84-1 assume !(3 == mp_add_~i~0 % 256); 28489#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28490#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 28485#L91-1 assume !(1 == mp_add_~i~0 % 256); 28486#L92-1 assume !(2 == mp_add_~i~0 % 256); 28481#L93-1 assume !(3 == mp_add_~i~0 % 256); 28482#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28477#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28478#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28713#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28749#L82 assume !(0 == mp_add_~i~0 % 256); 28747#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 28748#L83-1 assume !(2 == mp_add_~i~0 % 256); 28776#L84-1 assume !(3 == mp_add_~i~0 % 256); 28774#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 28772#L87-1 assume !(0 == mp_add_~i~0 % 256); 28773#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 28769#L92-1 assume !(2 == mp_add_~i~0 % 256); 28768#L93-1 assume !(3 == mp_add_~i~0 % 256); 28767#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28766#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28757#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28758#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28704#L82 assume !(0 == mp_add_~i~0 % 256); 28754#L82-2 assume !(1 == mp_add_~i~0 % 256); 28755#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 28804#L84-1 assume !(3 == mp_add_~i~0 % 256); 28801#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 28799#L87-1 assume !(0 == mp_add_~i~0 % 256); 28797#L91-1 assume !(1 == mp_add_~i~0 % 256); 28795#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 28793#L93-1 assume !(3 == mp_add_~i~0 % 256); 28791#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28789#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28787#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28785#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 28783#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28780#L87-1 assume !(0 == mp_add_~i~0 % 256); 28779#L91-1 assume !(1 == mp_add_~i~0 % 256); 28778#L92-1 assume !(2 == mp_add_~i~0 % 256); 28777#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 28426#L94-1 [2021-10-28 23:55:55,952 INFO L793 eck$LassoCheckResult]: Loop: 28426#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28422#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28423#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28439#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28434#L82 assume !(0 == mp_add_~i~0 % 256); 28435#L82-2 assume !(1 == mp_add_~i~0 % 256); 28445#L83-1 assume !(2 == mp_add_~i~0 % 256); 28436#L84-1 assume !(3 == mp_add_~i~0 % 256); 28432#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28424#L87-1 assume !(0 == mp_add_~i~0 % 256); 28418#L91-1 assume !(1 == mp_add_~i~0 % 256); 28419#L92-1 assume !(2 == mp_add_~i~0 % 256); 28420#L93-1 assume !(3 == mp_add_~i~0 % 256); 28426#L94-1 [2021-10-28 23:55:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:55,953 INFO L85 PathProgramCache]: Analyzing trace with hash -406941166, now seen corresponding path program 1 times [2021-10-28 23:55:55,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:55,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628871365] [2021-10-28 23:55:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:55,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 23:55:56,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:56,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628871365] [2021-10-28 23:55:56,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628871365] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:56,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011389803] [2021-10-28 23:55:56,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:56,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:56,062 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:56,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Waiting until timeout for monitored process [2021-10-28 23:55:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:56,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:55:56,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 23:55:56,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011389803] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:56,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:55:56,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-10-28 23:55:56,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156942105] [2021-10-28 23:55:56,963 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:55:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 6 times [2021-10-28 23:55:56,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:56,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612386366] [2021-10-28 23:55:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:56,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:56,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:55:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:55:56,976 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:57,083 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:57,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:57,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:57,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:57,083 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:55:57,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:57,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:57,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:57,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-10-28 23:55:57,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:57,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:57,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:57,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:57,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:57,309 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:55:57,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:57,314 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:57,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:55:57,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:57,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 23:55:57,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:57,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:57,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:57,421 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:57,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:55:57,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:55:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 23:55:59,269 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:55:59,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,273 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:55:59,273 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:55:59,273 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:55:59,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:55:59,273 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:55:59,273 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,273 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:55:59,273 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:55:59,273 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-10-28 23:55:59,273 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:55:59,273 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:55:59,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:59,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:55:59,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:55:59,418 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:55:59,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,419 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 23:55:59,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:59,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:59,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-10-28 23:55:59,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,453 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 23:55:59,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:55:59,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:55:59,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,483 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:55:59,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,484 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 23:55:59,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,492 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:59,494 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:59,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-10-28 23:55:59,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,518 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 23:55:59,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,526 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:59,527 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:59,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,548 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:55:59,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,549 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 23:55:59,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,560 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-10-28 23:55:59,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,584 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 23:55:59,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,592 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-28 23:55:59,615 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:55:59,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,616 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 23:55:59,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:59,629 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:59,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-10-28 23:55:59,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,656 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 23:55:59,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:55:59,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,664 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:59,671 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:59,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-28 23:55:59,693 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:55:59,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,694 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 23:55:59,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,701 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,702 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:59,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,702 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:59,705 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:59,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,730 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 23:55:59,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,738 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:59,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,739 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:55:59,740 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:55:59,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,762 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:55:59,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,763 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 23:55:59,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,771 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:59,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,775 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,805 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 23:55:59,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,813 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:55:59,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,815 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-10-28 23:55:59,839 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:55:59,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,840 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 23:55:59,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,848 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,848 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:59,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,849 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:59,854 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:59,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-10-28 23:55:59,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,890 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 23:55:59,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:55:59,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,899 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:55:59,903 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:55:59,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,937 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:55:59,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,938 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 23:55:59,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,946 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:59,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,950 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:55:59,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:59,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:55:59,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,976 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 23:55:59,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:55:59,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:55:59,984 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:55:59,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:55:59,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:55:59,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:55:59,984 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:55:59,986 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:55:59,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:55:59,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:56:00,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-10-28 23:56:00,008 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:56:00,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:56:00,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:00,009 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:56:00,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 23:56:00,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:56:00,017 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:56:00,017 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:56:00,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:56:00,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:56:00,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:56:00,017 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:56:00,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:56:00,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:56:00,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:56:00,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-10-28 23:56:00,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:56:00,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:00,051 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:56:00,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 23:56:00,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:56:00,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:56:00,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:56:00,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:56:00,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:56:00,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:56:00,060 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:56:00,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:56:00,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:56:00,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:56:00,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-10-28 23:56:00,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:56:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:56:00,088 INFO L87 Difference]: Start difference. First operand 437 states and 488 transitions. cyclomatic complexity: 54 Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:56:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:00,503 INFO L93 Difference]: Finished difference Result 757 states and 834 transitions. [2021-10-28 23:56:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:56:00,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 757 states and 834 transitions. [2021-10-28 23:56:00,505 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 99 [2021-10-28 23:56:00,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 757 states to 711 states and 784 transitions. [2021-10-28 23:56:00,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 711 [2021-10-28 23:56:00,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 711 [2021-10-28 23:56:00,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 711 states and 784 transitions. [2021-10-28 23:56:00,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:56:00,511 INFO L681 BuchiCegarLoop]: Abstraction has 711 states and 784 transitions. [2021-10-28 23:56:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states and 784 transitions. [2021-10-28 23:56:00,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 524. [2021-10-28 23:56:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 524 states have (on average 1.1125954198473282) internal successors, (583), 523 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:56:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 583 transitions. [2021-10-28 23:56:00,523 INFO L704 BuchiCegarLoop]: Abstraction has 524 states and 583 transitions. [2021-10-28 23:56:00,523 INFO L587 BuchiCegarLoop]: Abstraction has 524 states and 583 transitions. [2021-10-28 23:56:00,523 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-10-28 23:56:00,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 524 states and 583 transitions. [2021-10-28 23:56:00,525 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:56:00,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:56:00,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:56:00,526 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:00,526 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:00,526 INFO L791 eck$LassoCheckResult]: Stem: 29819#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 29812#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 29801#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 29803#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 29831#L55 assume !(0 == mp_add_~a1~0 % 256); 29832#L51-1 mp_add_~nb~0 := 4; 30146#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 30145#L63 assume !(0 == mp_add_~b2~0 % 256); 29904#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 29905#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29900#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 29901#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 29896#L76-2 assume !(1 == mp_add_~i~0 % 256); 29897#L77-1 assume !(2 == mp_add_~i~0 % 256); 29892#L78-1 assume !(3 == mp_add_~i~0 % 256); 29893#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 29888#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 29889#L82-2 assume !(1 == mp_add_~i~0 % 256); 29884#L83-1 assume !(2 == mp_add_~i~0 % 256); 29885#L84-1 assume !(3 == mp_add_~i~0 % 256); 29880#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 29881#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 29876#L91-1 assume !(1 == mp_add_~i~0 % 256); 29877#L92-1 assume !(2 == mp_add_~i~0 % 256); 29872#L93-1 assume !(3 == mp_add_~i~0 % 256); 29873#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 29868#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29869#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30143#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 30240#L82 assume !(0 == mp_add_~i~0 % 256); 30241#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 30236#L83-1 assume !(2 == mp_add_~i~0 % 256); 30237#L84-1 assume !(3 == mp_add_~i~0 % 256); 30232#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 30230#L87-1 assume !(0 == mp_add_~i~0 % 256); 30231#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 30226#L92-1 assume !(2 == mp_add_~i~0 % 256); 30227#L93-1 assume !(3 == mp_add_~i~0 % 256); 30222#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30223#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 30282#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30283#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 30134#L82 assume !(0 == mp_add_~i~0 % 256); 30281#L82-2 assume !(1 == mp_add_~i~0 % 256); 30280#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 30268#L84-1 assume !(3 == mp_add_~i~0 % 256); 30267#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 30266#L87-1 assume !(0 == mp_add_~i~0 % 256); 30265#L91-1 assume !(1 == mp_add_~i~0 % 256); 30264#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 30263#L93-1 assume !(3 == mp_add_~i~0 % 256); 30262#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30261#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 30252#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30251#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 30249#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 30246#L87-1 assume !(0 == mp_add_~i~0 % 256); 30245#L91-1 assume !(1 == mp_add_~i~0 % 256); 30244#L92-1 assume !(2 == mp_add_~i~0 % 256); 30243#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 29818#L94-1 [2021-10-28 23:56:00,526 INFO L793 eck$LassoCheckResult]: Loop: 29818#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30320#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29833#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 29834#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 29826#L82 assume !(0 == mp_add_~i~0 % 256); 29827#L82-2 assume !(1 == mp_add_~i~0 % 256); 29838#L83-1 assume !(2 == mp_add_~i~0 % 256); 29829#L84-1 assume !(3 == mp_add_~i~0 % 256); 29830#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 29813#L87-1 assume !(0 == mp_add_~i~0 % 256); 29814#L91-1 assume !(1 == mp_add_~i~0 % 256); 29797#L92-1 assume !(2 == mp_add_~i~0 % 256); 29798#L93-1 assume !(3 == mp_add_~i~0 % 256); 29818#L94-1 [2021-10-28 23:56:00,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -780375943, now seen corresponding path program 1 times [2021-10-28 23:56:00,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:00,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636979738] [2021-10-28 23:56:00,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:00,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 23:56:00,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:00,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636979738] [2021-10-28 23:56:00,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636979738] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:56:00,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41682615] [2021-10-28 23:56:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:00,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:56:00,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:56:00,647 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:56:00,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (177)] Waiting until timeout for monitored process [2021-10-28 23:56:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:01,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:56:01,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:56:38,634 WARN L207 SmtUtils]: Spent 12.08 s on a formula simplification that was a NOOP. DAG size: 32 [2021-10-28 23:57:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 23:57:36,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41682615] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:36,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:57:36,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-10-28 23:57:36,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583991736] [2021-10-28 23:57:36,198 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:57:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 7 times [2021-10-28 23:57:36,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:36,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270995980] [2021-10-28 23:57:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:36,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:36,205 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:36,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:36,406 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:36,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:36,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:36,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:36,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:57:36,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:36,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:36,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:36,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-10-28 23:57:36,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:36,407 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:36,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:36,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:36,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:36,761 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:57:36,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:36,762 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:36,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 23:57:36,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:36,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:36,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-10-28 23:57:36,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:36,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:36,825 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:36,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-28 23:57:36,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:57:36,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:37,413 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:57:37,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-10-28 23:57:37,417 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:37,417 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:37,417 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:37,417 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:37,417 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:57:37,417 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,417 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:37,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:37,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-10-28 23:57:37,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:37,417 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:37,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:37,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:37,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:37,870 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:57:37,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:37,872 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:37,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-28 23:57:37,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:37,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:37,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:37,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:37,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:37,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:37,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:37,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:37,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:37,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-10-28 23:57:37,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:37,905 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:37,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-28 23:57:37,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:37,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:37,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:37,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:37,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:37,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:37,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:37,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:37,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:37,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:37,935 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:57:37,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:37,935 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:37,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-28 23:57:37,936 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 [2021-10-28 23:57:37,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:37,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:37,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:37,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:37,944 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:37,946 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:37,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:37,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:37,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:37,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:37,969 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:37,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-28 23:57:37,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:37,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:37,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:37,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:37,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:37,977 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:37,978 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:37,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:37,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:37,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:37,999 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:57:37,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,000 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-28 23:57:38,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:38,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,008 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,011 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-10-28 23:57:38,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,037 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-28 23:57:38,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:38,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,045 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,047 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-10-28 23:57:38,068 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:57:38,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,069 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-28 23:57:38,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:38,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,077 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:38,083 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:38,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:38,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,111 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-28 23:57:38,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:38,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,120 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:38,122 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:38,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:38,144 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:57:38,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,145 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-28 23:57:38,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,153 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:38,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:38,156 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:38,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-10-28 23:57:38,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,181 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-28 23:57:38,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,190 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:38,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,190 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:38,191 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:38,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-10-28 23:57:38,213 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:57:38,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,214 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-28 23:57:38,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,222 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:38,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,223 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,226 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-10-28 23:57:38,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,255 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-28 23:57:38,265 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,265 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:38,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,265 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-10-28 23:57:38,291 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:57:38,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,292 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-28 23:57:38,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,302 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:38,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:38,308 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:38,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-10-28 23:57:38,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,339 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-28 23:57:38,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:38,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,348 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:38,351 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:38,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-10-28 23:57:38,377 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:57:38,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,377 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-28 23:57:38,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,385 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:38,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,386 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-10-28 23:57:38,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,415 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-28 23:57:38,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,423 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:38,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:38,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:38,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-10-28 23:57:38,457 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:57:38,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,457 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-28 23:57:38,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,466 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:38,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,466 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:38,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:38,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:38,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:38,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:38,500 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:38,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-28 23:57:38,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:38,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:38,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:38,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:38,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:38,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:38,509 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:38,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:38,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:38,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:38,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-10-28 23:57:38,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:57:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2021-10-28 23:57:38,542 INFO L87 Difference]: Start difference. First operand 524 states and 583 transitions. cyclomatic complexity: 62 Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:40,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:40,069 INFO L93 Difference]: Finished difference Result 874 states and 962 transitions. [2021-10-28 23:57:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:57:40,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 874 states and 962 transitions. [2021-10-28 23:57:40,072 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 112 [2021-10-28 23:57:40,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 874 states to 853 states and 939 transitions. [2021-10-28 23:57:40,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 853 [2021-10-28 23:57:40,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 853 [2021-10-28 23:57:40,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 853 states and 939 transitions. [2021-10-28 23:57:40,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:57:40,077 INFO L681 BuchiCegarLoop]: Abstraction has 853 states and 939 transitions. [2021-10-28 23:57:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states and 939 transitions. [2021-10-28 23:57:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 576. [2021-10-28 23:57:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 576 states have (on average 1.1111111111111112) internal successors, (640), 575 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 640 transitions. [2021-10-28 23:57:40,122 INFO L704 BuchiCegarLoop]: Abstraction has 576 states and 640 transitions. [2021-10-28 23:57:40,122 INFO L587 BuchiCegarLoop]: Abstraction has 576 states and 640 transitions. [2021-10-28 23:57:40,122 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-10-28 23:57:40,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 576 states and 640 transitions. [2021-10-28 23:57:40,124 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:57:40,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:57:40,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:57:40,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:40,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:40,128 INFO L791 eck$LassoCheckResult]: Stem: 31419#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 31412#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 31401#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31403#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31430#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31431#L51-1 mp_add_~nb~0 := 4; 31790#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 31789#L63 assume !(0 == mp_add_~b2~0 % 256); 31502#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 31503#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31498#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 31499#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 31494#L76-2 assume !(1 == mp_add_~i~0 % 256); 31495#L77-1 assume !(2 == mp_add_~i~0 % 256); 31490#L78-1 assume !(3 == mp_add_~i~0 % 256); 31491#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31486#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 31487#L82-2 assume !(1 == mp_add_~i~0 % 256); 31482#L83-1 assume !(2 == mp_add_~i~0 % 256); 31483#L84-1 assume !(3 == mp_add_~i~0 % 256); 31478#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31479#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 31474#L91-1 assume !(1 == mp_add_~i~0 % 256); 31475#L92-1 assume !(2 == mp_add_~i~0 % 256); 31470#L93-1 assume !(3 == mp_add_~i~0 % 256); 31471#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31466#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31467#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31787#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31858#L82 assume !(0 == mp_add_~i~0 % 256); 31859#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 31854#L83-1 assume !(2 == mp_add_~i~0 % 256); 31855#L84-1 assume !(3 == mp_add_~i~0 % 256); 31850#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 31848#L87-1 assume !(0 == mp_add_~i~0 % 256); 31849#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 31844#L92-1 assume !(2 == mp_add_~i~0 % 256); 31845#L93-1 assume !(3 == mp_add_~i~0 % 256); 31840#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31841#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31831#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31832#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31777#L82 assume !(0 == mp_add_~i~0 % 256); 31824#L82-2 assume !(1 == mp_add_~i~0 % 256); 31825#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 31906#L84-1 assume !(3 == mp_add_~i~0 % 256); 31904#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 31903#L87-1 assume !(0 == mp_add_~i~0 % 256); 31902#L91-1 assume !(1 == mp_add_~i~0 % 256); 31901#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 31900#L93-1 assume !(3 == mp_add_~i~0 % 256); 31899#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31898#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31897#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31895#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 31893#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31890#L87-1 assume !(0 == mp_add_~i~0 % 256); 31889#L91-1 assume !(1 == mp_add_~i~0 % 256); 31888#L92-1 assume !(2 == mp_add_~i~0 % 256); 31887#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 31416#L94-1 [2021-10-28 23:57:40,128 INFO L793 eck$LassoCheckResult]: Loop: 31416#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31410#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31411#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31433#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31427#L82 assume !(0 == mp_add_~i~0 % 256); 31428#L82-2 assume !(1 == mp_add_~i~0 % 256); 31432#L83-1 assume !(2 == mp_add_~i~0 % 256); 31429#L84-1 assume !(3 == mp_add_~i~0 % 256); 31424#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31413#L87-1 assume !(0 == mp_add_~i~0 % 256); 31398#L91-1 assume !(1 == mp_add_~i~0 % 256); 31399#L92-1 assume !(2 == mp_add_~i~0 % 256); 31400#L93-1 assume !(3 == mp_add_~i~0 % 256); 31416#L94-1 [2021-10-28 23:57:40,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash -821050693, now seen corresponding path program 1 times [2021-10-28 23:57:40,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:40,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60262675] [2021-10-28 23:57:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:40,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:40,158 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:40,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:40,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:40,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 8 times [2021-10-28 23:57:40,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:40,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320742057] [2021-10-28 23:57:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:40,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:40,221 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:40,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:40,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1170105550, now seen corresponding path program 2 times [2021-10-28 23:57:40,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:40,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146463402] [2021-10-28 23:57:40,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:40,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-28 23:57:40,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:40,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146463402] [2021-10-28 23:57:40,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146463402] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:40,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:40,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:57:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884027675] [2021-10-28 23:57:40,647 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:40,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:40,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:40,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:40,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:57:40,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:40,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:40,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:40,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-10-28 23:57:40,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:40,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:40,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:40,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:40,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:40,947 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:57:40,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:40,948 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:40,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-28 23:57:40,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:40,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:41,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:41,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:41,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:41,014 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:41,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-28 23:57:41,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:57:41,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:42,224 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:57:42,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:42,227 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:42,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:42,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:42,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:42,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:57:42,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:42,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:42,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-10-28 23:57:42,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:42,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:42,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:42,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:42,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:42,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:57:42,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,567 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-28 23:57:42,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:42,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:42,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:42,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,597 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-28 23:57:42,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:42,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:42,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-10-28 23:57:42,628 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:57:42,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,629 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-28 23:57:42,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,637 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:42,638 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:42,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:42,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,660 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-28 23:57:42,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,669 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:42,671 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:42,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2021-10-28 23:57:42,696 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:57:42,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,697 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-28 23:57:42,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,706 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:42,707 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:42,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-10-28 23:57:42,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,730 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-28 23:57:42,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:42,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:42,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-10-28 23:57:42,765 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:57:42,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,766 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-28 23:57:42,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,774 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:42,776 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:42,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-10-28 23:57:42,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,799 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-28 23:57:42,801 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 [2021-10-28 23:57:42,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:42,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,808 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:42,812 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:42,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-10-28 23:57:42,836 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:57:42,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,837 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-28 23:57:42,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,845 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:42,845 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:42,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,846 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:42,847 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:42,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2021-10-28 23:57:42,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,870 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-28 23:57:42,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:42,878 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:42,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,878 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:42,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:42,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-10-28 23:57:42,905 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:57:42,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,906 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-28 23:57:42,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:42,914 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:42,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,915 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:42,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:42,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2021-10-28 23:57:42,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,941 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-28 23:57:42,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:42,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:42,959 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:42,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:42,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:42,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:42,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:42,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:42,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:42,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:42,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:42,992 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:57:42,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:42,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:42,992 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:42,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-28 23:57:42,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,001 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:43,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,001 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:43,005 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:43,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-10-28 23:57:43,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,033 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-28 23:57:43,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,042 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:43,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:43,047 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:43,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-10-28 23:57:43,081 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:57:43,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:43,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,081 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-28 23:57:43,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,090 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:43,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:43,091 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:43,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-10-28 23:57:43,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:43,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,114 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-28 23:57:43,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,122 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,122 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:43,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,123 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:43,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:43,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2021-10-28 23:57:43,150 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:57:43,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,151 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-28 23:57:43,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,159 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,159 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:43,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,160 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:43,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:43,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-10-28 23:57:43,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,187 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-28 23:57:43,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:43,196 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:43,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:43,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:43,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:43,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:43,196 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:43,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:43,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:43,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:43,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-10-28 23:57:43,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:57:43,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:57:43,230 INFO L87 Difference]: Start difference. First operand 576 states and 640 transitions. cyclomatic complexity: 67 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:43,729 INFO L93 Difference]: Finished difference Result 708 states and 780 transitions. [2021-10-28 23:57:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:57:43,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 708 states and 780 transitions. [2021-10-28 23:57:43,732 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 62 [2021-10-28 23:57:43,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 708 states to 649 states and 712 transitions. [2021-10-28 23:57:43,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 649 [2021-10-28 23:57:43,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 649 [2021-10-28 23:57:43,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 649 states and 712 transitions. [2021-10-28 23:57:43,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:57:43,736 INFO L681 BuchiCegarLoop]: Abstraction has 649 states and 712 transitions. [2021-10-28 23:57:43,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states and 712 transitions. [2021-10-28 23:57:43,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 446. [2021-10-28 23:57:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.116591928251121) internal successors, (498), 445 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 498 transitions. [2021-10-28 23:57:43,746 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 498 transitions. [2021-10-28 23:57:43,746 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 498 transitions. [2021-10-28 23:57:43,746 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-10-28 23:57:43,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 498 transitions. [2021-10-28 23:57:43,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:57:43,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:57:43,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:57:43,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:43,748 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:43,748 INFO L791 eck$LassoCheckResult]: Stem: 32729#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 32721#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 32710#L51 assume !(0 == mp_add_~a3~0 % 256); 32711#L51-1 mp_add_~nb~0 := 4; 32713#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 32715#L63 assume !(0 == mp_add_~b2~0 % 256); 32716#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 32943#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32944#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32939#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 32940#L76-2 assume !(1 == mp_add_~i~0 % 256); 32935#L77-1 assume !(2 == mp_add_~i~0 % 256); 32936#L78-1 assume !(3 == mp_add_~i~0 % 256); 32931#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 32932#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 32745#L82-2 assume !(1 == mp_add_~i~0 % 256); 32746#L83-1 assume !(2 == mp_add_~i~0 % 256); 32921#L84-1 assume !(3 == mp_add_~i~0 % 256); 32922#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 32917#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 32918#L91-1 assume !(1 == mp_add_~i~0 % 256); 32913#L92-1 assume !(2 == mp_add_~i~0 % 256); 32914#L93-1 assume !(3 == mp_add_~i~0 % 256); 32909#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 32910#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32905#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32906#L76 assume !(0 == mp_add_~i~0 % 256); 32901#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 32902#L77-1 assume !(2 == mp_add_~i~0 % 256); 32897#L78-1 assume !(3 == mp_add_~i~0 % 256); 32898#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33076#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33075#L87-1 assume !(0 == mp_add_~i~0 % 256); 33074#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 33073#L92-1 assume !(2 == mp_add_~i~0 % 256); 33072#L93-1 assume !(3 == mp_add_~i~0 % 256); 33071#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 33070#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 33069#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 33068#L76 assume !(0 == mp_add_~i~0 % 256); 33067#L76-2 assume !(1 == mp_add_~i~0 % 256); 33066#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 32734#L78-1 assume !(3 == mp_add_~i~0 % 256); 32735#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33112#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33111#L87-1 assume !(0 == mp_add_~i~0 % 256); 33110#L91-1 assume !(1 == mp_add_~i~0 % 256); 33109#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 32728#L93-1 assume !(3 == mp_add_~i~0 % 256); 32725#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 32722#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32723#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 33065#L76 assume !(0 == mp_add_~i~0 % 256); 33064#L76-2 assume !(1 == mp_add_~i~0 % 256); 33063#L77-1 assume !(2 == mp_add_~i~0 % 256); 33062#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 32747#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 32733#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 32724#L87-1 assume !(0 == mp_add_~i~0 % 256); 32718#L91-1 assume !(1 == mp_add_~i~0 % 256); 32719#L92-1 assume !(2 == mp_add_~i~0 % 256); 32720#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 33102#L94-1 [2021-10-28 23:57:43,748 INFO L793 eck$LassoCheckResult]: Loop: 33102#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 33101#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32743#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32744#L76 assume !(0 == mp_add_~i~0 % 256); 32730#L76-2 assume !(1 == mp_add_~i~0 % 256); 32731#L77-1 assume !(2 == mp_add_~i~0 % 256); 32732#L78-1 assume !(3 == mp_add_~i~0 % 256); 33108#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33107#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33106#L87-1 assume !(0 == mp_add_~i~0 % 256); 33105#L91-1 assume !(1 == mp_add_~i~0 % 256); 33104#L92-1 assume !(2 == mp_add_~i~0 % 256); 33103#L93-1 assume !(3 == mp_add_~i~0 % 256); 33102#L94-1 [2021-10-28 23:57:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash 685993656, now seen corresponding path program 1 times [2021-10-28 23:57:43,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:43,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288784367] [2021-10-28 23:57:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:43,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 23:57:43,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:43,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288784367] [2021-10-28 23:57:43,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288784367] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:43,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227595685] [2021-10-28 23:57:43,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:43,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:57:43,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:43,947 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:57:43,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Waiting until timeout for monitored process [2021-10-28 23:57:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:44,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:57:44,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:57:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:57:45,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227595685] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:45,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:57:45,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-10-28 23:57:45,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246073404] [2021-10-28 23:57:45,075 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:57:45,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 3 times [2021-10-28 23:57:45,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:45,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176268818] [2021-10-28 23:57:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:45,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:45,083 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:45,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:45,296 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:45,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:45,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:45,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:45,296 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:57:45,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:45,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:45,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:45,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-10-28 23:57:45,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:45,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:45,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:45,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:45,652 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:45,652 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:57:45,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:45,655 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:45,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-28 23:57:45,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:45,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:45,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-10-28 23:57:45,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:45,721 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:45,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-28 23:57:45,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:57:45,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:46,106 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:57:46,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:46,109 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:46,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:46,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:46,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:46,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:57:46,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:46,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:46,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-10-28 23:57:46,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:46,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:46,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:46,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:46,491 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:46,491 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:57:46,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,492 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-28 23:57:46,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:46,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:46,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2021-10-28 23:57:46,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,524 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-28 23:57:46,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:46,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:46,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-10-28 23:57:46,553 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:57:46,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,553 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-10-28 23:57:46,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,562 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:46,564 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:46,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:46,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,587 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-10-28 23:57:46,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:46,596 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:46,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:46,617 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:57:46,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,618 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-10-28 23:57:46,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:46,630 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:46,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2021-10-28 23:57:46,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,654 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-10-28 23:57:46,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,662 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:46,664 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:46,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2021-10-28 23:57:46,685 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:57:46,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,686 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-10-28 23:57:46,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,695 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:46,698 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:46,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-10-28 23:57:46,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,724 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-10-28 23:57:46,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:46,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:46,734 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:46,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2021-10-28 23:57:46,756 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:57:46,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,757 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-10-28 23:57:46,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,765 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,765 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:46,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,765 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:46,768 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:46,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-10-28 23:57:46,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,793 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-10-28 23:57:46,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,801 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,802 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:46,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,802 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:46,803 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:46,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-10-28 23:57:46,825 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:57:46,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,826 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-10-28 23:57:46,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,836 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:46,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,837 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:46,843 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:46,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:46,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,873 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-10-28 23:57:46,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,881 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,881 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:46,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:46,883 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:46,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-10-28 23:57:46,907 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:57:46,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,908 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-10-28 23:57:46,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:46,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,920 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:46,924 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:46,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:46,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-10-28 23:57:46,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:46,959 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:46,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-10-28 23:57:46,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:46,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:46,968 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:46,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:46,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:46,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:46,969 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:46,971 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:46,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:46,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:47,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2021-10-28 23:57:47,001 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:57:47,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:47,002 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:47,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-10-28 23:57:47,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:47,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:47,010 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:47,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:47,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:47,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:47,010 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:47,013 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:47,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:47,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:47,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2021-10-28 23:57:47,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:47,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:47,039 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-10-28 23:57:47,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:47,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:47,047 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:47,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:47,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:47,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:47,048 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:47,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:47,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:47,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:47,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-10-28 23:57:47,071 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:57:47,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:47,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:47,072 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:47,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-10-28 23:57:47,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:47,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:47,080 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:47,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:47,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:47,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:47,081 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:47,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:47,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:47,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:47,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-10-28 23:57:47,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:47,114 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:47,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-10-28 23:57:47,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:47,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:47,123 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:47,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:47,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:47,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:47,123 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:47,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:47,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:47,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:47,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-10-28 23:57:47,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:47,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:57:47,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:57:47,151 INFO L87 Difference]: Start difference. First operand 446 states and 498 transitions. cyclomatic complexity: 55 Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:47,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:47,886 INFO L93 Difference]: Finished difference Result 904 states and 992 transitions. [2021-10-28 23:57:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:57:47,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 904 states and 992 transitions. [2021-10-28 23:57:47,890 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 116 [2021-10-28 23:57:47,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 904 states to 904 states and 992 transitions. [2021-10-28 23:57:47,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 904 [2021-10-28 23:57:47,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 904 [2021-10-28 23:57:47,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 904 states and 992 transitions. [2021-10-28 23:57:47,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:57:47,897 INFO L681 BuchiCegarLoop]: Abstraction has 904 states and 992 transitions. [2021-10-28 23:57:47,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states and 992 transitions. [2021-10-28 23:57:47,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 496. [2021-10-28 23:57:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 496 states have (on average 1.1108870967741935) internal successors, (551), 495 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 551 transitions. [2021-10-28 23:57:47,909 INFO L704 BuchiCegarLoop]: Abstraction has 496 states and 551 transitions. [2021-10-28 23:57:47,909 INFO L587 BuchiCegarLoop]: Abstraction has 496 states and 551 transitions. [2021-10-28 23:57:47,909 INFO L425 BuchiCegarLoop]: ======== Iteration 30============ [2021-10-28 23:57:47,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 496 states and 551 transitions. [2021-10-28 23:57:47,910 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:57:47,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:57:47,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:57:47,911 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:47,911 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:47,912 INFO L791 eck$LassoCheckResult]: Stem: 34282#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 34274#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 34262#L51 assume !(0 == mp_add_~a3~0 % 256); 34263#L51-1 mp_add_~nb~0 := 4; 34278#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34693#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34718#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34717#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 34716#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34715#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34714#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 34713#L76-2 assume !(1 == mp_add_~i~0 % 256); 34712#L77-1 assume !(2 == mp_add_~i~0 % 256); 34711#L78-1 assume !(3 == mp_add_~i~0 % 256); 34710#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 34709#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 34708#L82-2 assume !(1 == mp_add_~i~0 % 256); 34707#L83-1 assume !(2 == mp_add_~i~0 % 256); 34706#L84-1 assume !(3 == mp_add_~i~0 % 256); 34705#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34704#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 34703#L91-1 assume !(1 == mp_add_~i~0 % 256); 34702#L92-1 assume !(2 == mp_add_~i~0 % 256); 34701#L93-1 assume !(3 == mp_add_~i~0 % 256); 34700#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34699#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34698#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34697#L76 assume !(0 == mp_add_~i~0 % 256); 34696#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 34695#L77-1 assume !(2 == mp_add_~i~0 % 256); 34694#L78-1 assume !(3 == mp_add_~i~0 % 256); 34315#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34577#L87-1 assume !(0 == mp_add_~i~0 % 256); 34576#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 34575#L92-1 assume !(2 == mp_add_~i~0 % 256); 34574#L93-1 assume !(3 == mp_add_~i~0 % 256); 34573#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34572#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34571#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34570#L76 assume !(0 == mp_add_~i~0 % 256); 34569#L76-2 assume !(1 == mp_add_~i~0 % 256); 34568#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 34567#L78-1 assume !(3 == mp_add_~i~0 % 256); 34461#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34458#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34455#L87-1 assume !(0 == mp_add_~i~0 % 256); 34452#L91-1 assume !(1 == mp_add_~i~0 % 256); 34449#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 34446#L93-1 assume !(3 == mp_add_~i~0 % 256); 34443#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34440#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34436#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34432#L76 assume !(0 == mp_add_~i~0 % 256); 34428#L76-2 assume !(1 == mp_add_~i~0 % 256); 34424#L77-1 assume !(2 == mp_add_~i~0 % 256); 34420#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 34408#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34409#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34682#L87-1 assume !(0 == mp_add_~i~0 % 256); 34680#L91-1 assume !(1 == mp_add_~i~0 % 256); 34678#L92-1 assume !(2 == mp_add_~i~0 % 256); 34676#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 34675#L94-1 [2021-10-28 23:57:47,912 INFO L793 eck$LassoCheckResult]: Loop: 34675#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34674#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34673#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34672#L76 assume !(0 == mp_add_~i~0 % 256); 34671#L76-2 assume !(1 == mp_add_~i~0 % 256); 34670#L77-1 assume !(2 == mp_add_~i~0 % 256); 34669#L78-1 assume !(3 == mp_add_~i~0 % 256); 34663#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34664#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34683#L87-1 assume !(0 == mp_add_~i~0 % 256); 34681#L91-1 assume !(1 == mp_add_~i~0 % 256); 34679#L92-1 assume !(2 == mp_add_~i~0 % 256); 34677#L93-1 assume !(3 == mp_add_~i~0 % 256); 34675#L94-1 [2021-10-28 23:57:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1728940926, now seen corresponding path program 1 times [2021-10-28 23:57:47,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:47,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278569097] [2021-10-28 23:57:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:47,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:47,933 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:47,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:47,958 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 4 times [2021-10-28 23:57:47,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:47,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871207190] [2021-10-28 23:57:47,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:47,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:47,964 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:47,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:47,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash 334650383, now seen corresponding path program 2 times [2021-10-28 23:57:47,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:47,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693642048] [2021-10-28 23:57:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:47,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 40 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:48,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:48,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693642048] [2021-10-28 23:57:48,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693642048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:48,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649623343] [2021-10-28 23:57:48,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:57:48,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:57:48,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:48,214 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:57:48,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Waiting until timeout for monitored process [2021-10-28 23:57:48,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:57:48,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:57:48,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:57:48,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:57:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-28 23:57:49,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649623343] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:49,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:57:49,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-28 23:57:49,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930793817] [2021-10-28 23:57:49,654 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:49,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:49,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:49,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:49,655 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:57:49,655 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:49,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:49,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:49,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-10-28 23:57:49,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:49,655 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:49,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:49,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:50,013 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:50,013 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:57:50,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:50,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:50,014 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:50,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-10-28 23:57:50,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:50,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:50,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2021-10-28 23:57:50,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:50,078 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:50,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-10-28 23:57:50,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:57:50,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:51,166 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:57:51,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-10-28 23:57:51,170 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:51,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:51,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:51,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:51,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:57:51,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:51,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:51,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-10-28 23:57:51,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:51,170 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:51,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:51,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:51,558 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:51,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:57:51,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,559 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-10-28 23:57:51,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:51,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:51,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-10-28 23:57:51,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,589 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-10-28 23:57:51,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:51,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:51,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2021-10-28 23:57:51,619 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:57:51,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,620 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-10-28 23:57:51,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,628 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:51,630 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:51,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:51,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,651 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-10-28 23:57:51,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,662 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:51,664 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:51,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2021-10-28 23:57:51,686 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:57:51,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,687 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-10-28 23:57:51,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,695 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:51,696 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:51,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2021-10-28 23:57:51,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,719 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-10-28 23:57:51,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,729 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:51,733 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:51,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2021-10-28 23:57:51,756 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:57:51,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,757 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-10-28 23:57:51,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,766 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:51,768 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:51,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:51,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,790 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-10-28 23:57:51,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:51,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,799 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:51,803 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:51,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:51,827 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:57:51,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,828 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-10-28 23:57:51,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:51,836 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:51,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:51,838 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:51,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2021-10-28 23:57:51,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,876 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-10-28 23:57:51,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:51,884 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:51,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,885 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:51,887 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:51,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:51,912 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:57:51,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,913 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-10-28 23:57:51,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,921 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:51,921 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:51,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:51,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:51,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2021-10-28 23:57:51,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,949 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-10-28 23:57:51,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:51,958 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:51,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,958 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:51,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:51,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:51,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:51,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:51,989 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:57:51,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:51,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:51,990 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:51,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-10-28 23:57:51,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:51,999 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:51,999 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:51,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:51,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:51,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:51,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:52,002 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:52,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:52,029 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:52,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-10-28 23:57:52,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:52,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:52,038 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:52,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:52,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:52,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:52,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:52,044 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:52,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,107 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:57:52,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:52,111 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:52,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:52,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:52,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:52,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:52,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:52,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:52,149 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:52,151 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:52,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-10-28 23:57:52,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:52,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:52,206 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:52,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:52,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:52,217 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:52,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:52,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:52,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:52,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:52,221 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:52,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-10-28 23:57:52,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,267 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:57:52,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:52,268 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:52,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:52,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:52,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:52,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:52,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:52,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:52,280 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:52,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:52,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-10-28 23:57:52,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:52,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:52,329 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:52,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:52,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:52,340 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:52,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:52,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:52,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:52,340 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:52,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:52,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:52,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-10-28 23:57:52,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:52,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:52,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:52,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:57:52,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:57:52,406 INFO L87 Difference]: Start difference. First operand 496 states and 551 transitions. cyclomatic complexity: 58 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:54,696 INFO L93 Difference]: Finished difference Result 676 states and 739 transitions. [2021-10-28 23:57:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-28 23:57:54,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 676 states and 739 transitions. [2021-10-28 23:57:54,699 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 56 [2021-10-28 23:57:54,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 676 states to 642 states and 700 transitions. [2021-10-28 23:57:54,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 642 [2021-10-28 23:57:54,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 642 [2021-10-28 23:57:54,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 642 states and 700 transitions. [2021-10-28 23:57:54,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:57:54,704 INFO L681 BuchiCegarLoop]: Abstraction has 642 states and 700 transitions. [2021-10-28 23:57:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states and 700 transitions. [2021-10-28 23:57:54,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 421. [2021-10-28 23:57:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 421 states have (on average 1.1163895486935866) internal successors, (470), 420 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:57:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 470 transitions. [2021-10-28 23:57:54,713 INFO L704 BuchiCegarLoop]: Abstraction has 421 states and 470 transitions. [2021-10-28 23:57:54,713 INFO L587 BuchiCegarLoop]: Abstraction has 421 states and 470 transitions. [2021-10-28 23:57:54,713 INFO L425 BuchiCegarLoop]: ======== Iteration 31============ [2021-10-28 23:57:54,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 421 states and 470 transitions. [2021-10-28 23:57:54,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:57:54,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:57:54,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:57:54,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:54,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:54,716 INFO L791 eck$LassoCheckResult]: Stem: 35726#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 35717#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 35707#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35709#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35735#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35736#L51-1 mp_add_~nb~0 := 4; 35786#L61 assume !(0 == mp_add_~b3~0 % 256); 35787#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 35991#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35989#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35987#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 35985#L76-2 assume !(1 == mp_add_~i~0 % 256); 35983#L77-1 assume !(2 == mp_add_~i~0 % 256); 35981#L78-1 assume !(3 == mp_add_~i~0 % 256); 35979#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35977#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 35975#L82-2 assume !(1 == mp_add_~i~0 % 256); 35973#L83-1 assume !(2 == mp_add_~i~0 % 256); 35971#L84-1 assume !(3 == mp_add_~i~0 % 256); 35969#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 35967#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 35965#L91-1 assume !(1 == mp_add_~i~0 % 256); 35963#L92-1 assume !(2 == mp_add_~i~0 % 256); 35961#L93-1 assume !(3 == mp_add_~i~0 % 256); 35959#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35957#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35955#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35763#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36098#L82 assume !(0 == mp_add_~i~0 % 256); 36097#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 36096#L83-1 assume !(2 == mp_add_~i~0 % 256); 36095#L84-1 assume !(3 == mp_add_~i~0 % 256); 36094#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36093#L87-1 assume !(0 == mp_add_~i~0 % 256); 36092#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 36091#L92-1 assume !(2 == mp_add_~i~0 % 256); 36090#L93-1 assume !(3 == mp_add_~i~0 % 256); 36089#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 36088#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36087#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35920#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36086#L82 assume !(0 == mp_add_~i~0 % 256); 36085#L82-2 assume !(1 == mp_add_~i~0 % 256); 36083#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 36084#L84-1 assume !(3 == mp_add_~i~0 % 256); 36124#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36123#L87-1 assume !(0 == mp_add_~i~0 % 256); 36122#L91-1 assume !(1 == mp_add_~i~0 % 256); 36121#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 36120#L93-1 assume !(3 == mp_add_~i~0 % 256); 36119#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 36118#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36117#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35731#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36116#L82 assume !(0 == mp_add_~i~0 % 256); 36115#L82-2 assume !(1 == mp_add_~i~0 % 256); 36103#L83-1 assume !(2 == mp_add_~i~0 % 256); 36100#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 36101#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36114#L87-1 assume !(0 == mp_add_~i~0 % 256); 36127#L91-1 assume !(1 == mp_add_~i~0 % 256); 36126#L92-1 assume !(2 == mp_add_~i~0 % 256); 36125#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 35723#L94-1 [2021-10-28 23:57:54,716 INFO L793 eck$LassoCheckResult]: Loop: 35723#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35718#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35719#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35738#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35732#L82 assume !(0 == mp_add_~i~0 % 256); 35733#L82-2 assume !(1 == mp_add_~i~0 % 256); 35739#L83-1 assume !(2 == mp_add_~i~0 % 256); 35734#L84-1 assume !(3 == mp_add_~i~0 % 256); 35730#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 35720#L87-1 assume !(0 == mp_add_~i~0 % 256); 35714#L91-1 assume !(1 == mp_add_~i~0 % 256); 35715#L92-1 assume !(2 == mp_add_~i~0 % 256); 35716#L93-1 assume !(3 == mp_add_~i~0 % 256); 35723#L94-1 [2021-10-28 23:57:54,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-10-28 23:57:54,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:54,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158648618] [2021-10-28 23:57:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:54,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:54,751 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:54,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:54,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 9 times [2021-10-28 23:57:54,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:54,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678081900] [2021-10-28 23:57:54,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:54,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:54,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:57:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:57:54,787 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:57:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2021-10-28 23:57:54,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:54,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939232619] [2021-10-28 23:57:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:54,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:55,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:55,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939232619] [2021-10-28 23:57:55,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939232619] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:55,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608738673] [2021-10-28 23:57:55,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:57:55,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:57:55,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:55,025 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:57:55,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (260)] Waiting until timeout for monitored process [2021-10-28 23:57:55,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:57:55,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:57:55,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:57:55,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:57:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 23:57:56,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608738673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:57:56,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:57:56,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-28 23:57:56,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662079903] [2021-10-28 23:57:56,473 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:56,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:56,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:56,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:56,473 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:57:56,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:56,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:56,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:56,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-10-28 23:57:56,473 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:56,473 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:56,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:56,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:56,840 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:56,840 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:57:56,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:56,841 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-10-28 23:57:56,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:56,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:56,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:57:56,856 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:57:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:56,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:56,876 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:56,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-10-28 23:57:56,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:57:56,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:56,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:56,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:56,939 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:56,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-10-28 23:57:56,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:57:56,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:57:57,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:57:57,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:57,694 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:57:57,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:57:57,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:57:57,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:57:57,694 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:57:57,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:57,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:57:57,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:57:57,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-10-28 23:57:57,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:57:57,695 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:57:57,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:57,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:57:58,055 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:57:58,055 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:57:58,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,056 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-10-28 23:57:58,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:58,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:58,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,086 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-10-28 23:57:58,087 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 [2021-10-28 23:57:58,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:57:58,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:57:58,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,117 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:57:58,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,118 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-10-28 23:57:58,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,126 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:58,127 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:58,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,149 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-10-28 23:57:58,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:58,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:58,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2021-10-28 23:57:58,182 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:57:58,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,183 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-10-28 23:57:58,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,191 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2021-10-28 23:57:58,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,215 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-10-28 23:57:58,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2021-10-28 23:57:58,251 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:57:58,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,251 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-10-28 23:57:58,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,260 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:58,262 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:58,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,284 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2021-10-28 23:57:58,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:57:58,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,293 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:58,297 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:58,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2021-10-28 23:57:58,321 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:57:58,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,323 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2021-10-28 23:57:58,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,333 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,333 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:58,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,333 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:58,335 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:58,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,358 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2021-10-28 23:57:58,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:58,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:57:58,369 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:57:58,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,395 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:57:58,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,395 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2021-10-28 23:57:58,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,403 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:58,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,404 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,406 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,430 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2021-10-28 23:57:58,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,440 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,440 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:57:58,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,440 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,444 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2021-10-28 23:57:58,484 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:57:58,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,485 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2021-10-28 23:57:58,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,493 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:58,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,494 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:58,496 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:58,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2021-10-28 23:57:58,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,523 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2021-10-28 23:57:58,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,532 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,532 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:58,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:57:58,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:57:58,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,571 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:57:58,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,571 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2021-10-28 23:57:58,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,579 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:58,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Ended with exit code 0 [2021-10-28 23:57:58,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,604 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2021-10-28 23:57:58,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:57:58,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,612 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:57:58,615 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:57:58,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2021-10-28 23:57:58,640 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:57:58,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,641 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2021-10-28 23:57:58,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:58,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,649 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:58,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:58,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2021-10-28 23:57:58,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:57:58,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:57:58,677 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:57:58,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2021-10-28 23:57:58,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:57:58,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:57:58,685 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:57:58,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:57:58,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:57:58,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:57:58,686 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:57:58,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:57:58,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:57:58,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:57:58,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2021-10-28 23:57:58,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:58,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:57:58,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:57:58,719 INFO L87 Difference]: Start difference. First operand 421 states and 470 transitions. cyclomatic complexity: 52 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:01,117 INFO L93 Difference]: Finished difference Result 718 states and 778 transitions. [2021-10-28 23:58:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-28 23:58:01,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 718 states and 778 transitions. [2021-10-28 23:58:01,120 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 62 [2021-10-28 23:58:01,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 718 states to 534 states and 578 transitions. [2021-10-28 23:58:01,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 534 [2021-10-28 23:58:01,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 534 [2021-10-28 23:58:01,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 534 states and 578 transitions. [2021-10-28 23:58:01,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:58:01,123 INFO L681 BuchiCegarLoop]: Abstraction has 534 states and 578 transitions. [2021-10-28 23:58:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states and 578 transitions. [2021-10-28 23:58:01,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 425. [2021-10-28 23:58:01,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 425 states have (on average 1.1011764705882352) internal successors, (468), 424 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 468 transitions. [2021-10-28 23:58:01,132 INFO L704 BuchiCegarLoop]: Abstraction has 425 states and 468 transitions. [2021-10-28 23:58:01,132 INFO L587 BuchiCegarLoop]: Abstraction has 425 states and 468 transitions. [2021-10-28 23:58:01,132 INFO L425 BuchiCegarLoop]: ======== Iteration 32============ [2021-10-28 23:58:01,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 425 states and 468 transitions. [2021-10-28 23:58:01,134 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:58:01,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:01,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:01,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:01,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:01,135 INFO L791 eck$LassoCheckResult]: Stem: 37137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 37131#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 37122#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37124#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37147#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37148#L51-1 mp_add_~nb~0 := 4; 37155#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 37157#L63 assume !(0 == mp_add_~b2~0 % 256); 37212#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 37539#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37538#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 37537#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 37536#L76-2 assume !(1 == mp_add_~i~0 % 256); 37535#L77-1 assume !(2 == mp_add_~i~0 % 256); 37534#L78-1 assume !(3 == mp_add_~i~0 % 256); 37533#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37532#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 37531#L82-2 assume !(1 == mp_add_~i~0 % 256); 37530#L83-1 assume !(2 == mp_add_~i~0 % 256); 37529#L84-1 assume !(3 == mp_add_~i~0 % 256); 37528#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37527#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 37526#L91-1 assume !(1 == mp_add_~i~0 % 256); 37525#L92-1 assume !(2 == mp_add_~i~0 % 256); 37524#L93-1 assume !(3 == mp_add_~i~0 % 256); 37523#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37522#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37521#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37186#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37185#L82 assume !(0 == mp_add_~i~0 % 256); 37183#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 37184#L83-1 assume !(2 == mp_add_~i~0 % 256); 37179#L84-1 assume !(3 == mp_add_~i~0 % 256); 37180#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37175#L87-1 assume !(0 == mp_add_~i~0 % 256); 37176#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 37171#L92-1 assume !(2 == mp_add_~i~0 % 256); 37172#L93-1 assume !(3 == mp_add_~i~0 % 256); 37167#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37168#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37164#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37162#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37161#L82 assume !(0 == mp_add_~i~0 % 256); 37160#L82-2 assume !(1 == mp_add_~i~0 % 256); 37158#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 37159#L84-1 assume !(3 == mp_add_~i~0 % 256); 37478#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37477#L87-1 assume !(0 == mp_add_~i~0 % 256); 37476#L91-1 assume !(1 == mp_add_~i~0 % 256); 37475#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 37474#L93-1 assume !(3 == mp_add_~i~0 % 256); 37473#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37472#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37471#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37322#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37323#L82 assume !(0 == mp_add_~i~0 % 256); 37151#L82-2 assume !(1 == mp_add_~i~0 % 256); 37152#L83-1 assume !(2 == mp_add_~i~0 % 256); 37468#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 37466#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37465#L87-1 assume !(0 == mp_add_~i~0 % 256); 37464#L91-1 assume !(1 == mp_add_~i~0 % 256); 37463#L92-1 assume !(2 == mp_add_~i~0 % 256); 37460#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 37461#L94-1 [2021-10-28 23:58:01,135 INFO L793 eck$LassoCheckResult]: Loop: 37461#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37484#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37328#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37329#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37143#L82 assume !(0 == mp_add_~i~0 % 256); 37144#L82-2 assume !(1 == mp_add_~i~0 % 256); 37153#L83-1 assume !(2 == mp_add_~i~0 % 256); 37154#L84-1 assume !(3 == mp_add_~i~0 % 256); 37482#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37481#L87-1 assume !(0 == mp_add_~i~0 % 256); 37480#L91-1 assume !(1 == mp_add_~i~0 % 256); 37479#L92-1 assume !(2 == mp_add_~i~0 % 256); 37462#L93-1 assume !(3 == mp_add_~i~0 % 256); 37461#L94-1 [2021-10-28 23:58:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:01,136 INFO L85 PathProgramCache]: Analyzing trace with hash -328205493, now seen corresponding path program 1 times [2021-10-28 23:58:01,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:01,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375545636] [2021-10-28 23:58:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:01,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:01,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:58:01,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375545636] [2021-10-28 23:58:01,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375545636] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:01,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083960953] [2021-10-28 23:58:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:01,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:58:01,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:01,355 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:58:01,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (282)] Waiting until timeout for monitored process [2021-10-28 23:58:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:02,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:58:02,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-28 23:58:02,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083960953] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:02,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:58:02,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2021-10-28 23:58:02,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929403696] [2021-10-28 23:58:02,978 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:58:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 10 times [2021-10-28 23:58:02,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:02,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422266394] [2021-10-28 23:58:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:02,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:02,985 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:02,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:03,158 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:03,158 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:03,159 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:03,159 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:03,159 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:58:03,159 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:03,159 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:03,159 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:03,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2021-10-28 23:58:03,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:03,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:03,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:03,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:03,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:03,518 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:58:03,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:03,519 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:03,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2021-10-28 23:58:03,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:03,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:03,534 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:03,534 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:58:03,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:03,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:03,554 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:03,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2021-10-28 23:58:03,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:03,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:03,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Ended with exit code 0 [2021-10-28 23:58:03,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:03,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:03,619 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:03,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2021-10-28 23:58:03,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:58:03,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:04,763 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:58:04,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Ended with exit code 0 [2021-10-28 23:58:04,766 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:04,767 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:04,767 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:04,767 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:04,767 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:58:04,767 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:04,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:04,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:04,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2021-10-28 23:58:04,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:04,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:04,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:04,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:05,135 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:05,135 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:58:05,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,136 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2021-10-28 23:58:05,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:05,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:05,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2021-10-28 23:58:05,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,166 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2021-10-28 23:58:05,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:05,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:05,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2021-10-28 23:58:05,197 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:58:05,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,198 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2021-10-28 23:58:05,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,206 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:05,207 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:05,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2021-10-28 23:58:05,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,229 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2021-10-28 23:58:05,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,237 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:05,239 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:05,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2021-10-28 23:58:05,261 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:58:05,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,262 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2021-10-28 23:58:05,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,272 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Ended with exit code 0 [2021-10-28 23:58:05,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,294 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2021-10-28 23:58:05,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2021-10-28 23:58:05,328 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:58:05,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,329 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2021-10-28 23:58:05,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,337 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:05,339 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:05,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Ended with exit code 0 [2021-10-28 23:58:05,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,362 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2021-10-28 23:58:05,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:05,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,371 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:05,374 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:05,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2021-10-28 23:58:05,399 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:58:05,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,400 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2021-10-28 23:58:05,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:05,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,408 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:05,409 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:05,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Ended with exit code 0 [2021-10-28 23:58:05,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,433 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2021-10-28 23:58:05,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,444 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,445 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:05,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,445 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:05,447 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:05,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2021-10-28 23:58:05,474 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:58:05,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,475 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2021-10-28 23:58:05,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,484 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:05,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,484 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,486 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Ended with exit code 0 [2021-10-28 23:58:05,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,510 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2021-10-28 23:58:05,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,518 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:05,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,522 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:05,550 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:58:05,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,551 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2021-10-28 23:58:05,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,560 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:05,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,560 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:05,562 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:05,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2021-10-28 23:58:05,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,601 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2021-10-28 23:58:05,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,610 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:05,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,610 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:05,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:05,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2021-10-28 23:58:05,669 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:58:05,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,670 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,704 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:05,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,704 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,706 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2021-10-28 23:58:05,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:05,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,759 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,770 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:05,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:05,775 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:05,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2021-10-28 23:58:05,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:05,823 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:58:05,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,824 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,834 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:05,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,835 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:05,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:05,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2021-10-28 23:58:05,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:05,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:05,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:05,886 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:05,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:05,900 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:05,900 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:05,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:05,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:05,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:05,901 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:05,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:05,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:05,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2021-10-28 23:58:05,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:05,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:05,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:58:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:58:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:58:05,959 INFO L87 Difference]: Start difference. First operand 425 states and 468 transitions. cyclomatic complexity: 46 Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:08,508 INFO L93 Difference]: Finished difference Result 679 states and 736 transitions. [2021-10-28 23:58:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 23:58:08,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 679 states and 736 transitions. [2021-10-28 23:58:08,531 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 75 [2021-10-28 23:58:08,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 679 states to 528 states and 572 transitions. [2021-10-28 23:58:08,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 528 [2021-10-28 23:58:08,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 528 [2021-10-28 23:58:08,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 572 transitions. [2021-10-28 23:58:08,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:58:08,535 INFO L681 BuchiCegarLoop]: Abstraction has 528 states and 572 transitions. [2021-10-28 23:58:08,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 572 transitions. [2021-10-28 23:58:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 446. [2021-10-28 23:58:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.0896860986547086) internal successors, (486), 445 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 486 transitions. [2021-10-28 23:58:08,545 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 486 transitions. [2021-10-28 23:58:08,545 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 486 transitions. [2021-10-28 23:58:08,545 INFO L425 BuchiCegarLoop]: ======== Iteration 33============ [2021-10-28 23:58:08,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 486 transitions. [2021-10-28 23:58:08,547 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-28 23:58:08,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:08,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:08,548 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:08,548 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:08,548 INFO L791 eck$LassoCheckResult]: Stem: 38476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 38468#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 38459#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38461#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38485#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38486#L51-1 mp_add_~nb~0 := 4; 38496#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38494#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38495#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38549#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 38548#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38547#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38546#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 38545#L76-2 assume !(1 == mp_add_~i~0 % 256); 38544#L77-1 assume !(2 == mp_add_~i~0 % 256); 38543#L78-1 assume !(3 == mp_add_~i~0 % 256); 38542#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 38541#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 38540#L82-2 assume !(1 == mp_add_~i~0 % 256); 38539#L83-1 assume !(2 == mp_add_~i~0 % 256); 38538#L84-1 assume !(3 == mp_add_~i~0 % 256); 38537#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38536#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 38535#L91-1 assume !(1 == mp_add_~i~0 % 256); 38534#L92-1 assume !(2 == mp_add_~i~0 % 256); 38533#L93-1 assume !(3 == mp_add_~i~0 % 256); 38532#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38531#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38529#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38530#L76 assume !(0 == mp_add_~i~0 % 256); 38554#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 38550#L77-1 assume !(2 == mp_add_~i~0 % 256); 38551#L78-1 assume !(3 == mp_add_~i~0 % 256); 38589#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38590#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38897#L87-1 assume !(0 == mp_add_~i~0 % 256); 38896#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 38895#L92-1 assume !(2 == mp_add_~i~0 % 256); 38894#L93-1 assume !(3 == mp_add_~i~0 % 256); 38893#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38892#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38891#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38890#L76 assume !(0 == mp_add_~i~0 % 256); 38889#L76-2 assume !(1 == mp_add_~i~0 % 256); 38888#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 38887#L78-1 assume !(3 == mp_add_~i~0 % 256); 38886#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38711#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38885#L87-1 assume !(0 == mp_add_~i~0 % 256); 38884#L91-1 assume !(1 == mp_add_~i~0 % 256); 38883#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 38882#L93-1 assume !(3 == mp_add_~i~0 % 256); 38881#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38880#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38879#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38878#L76 assume !(0 == mp_add_~i~0 % 256); 38877#L76-2 assume !(1 == mp_add_~i~0 % 256); 38876#L77-1 assume !(2 == mp_add_~i~0 % 256); 38875#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 38490#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38480#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38469#L87-1 assume !(0 == mp_add_~i~0 % 256); 38456#L91-1 assume !(1 == mp_add_~i~0 % 256); 38457#L92-1 assume !(2 == mp_add_~i~0 % 256); 38458#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 38472#L94-1 [2021-10-28 23:58:08,548 INFO L793 eck$LassoCheckResult]: Loop: 38472#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38466#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38467#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38488#L76 assume !(0 == mp_add_~i~0 % 256); 38477#L76-2 assume !(1 == mp_add_~i~0 % 256); 38478#L77-1 assume !(2 == mp_add_~i~0 % 256); 38479#L78-1 assume !(3 == mp_add_~i~0 % 256); 38481#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38901#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38900#L87-1 assume !(0 == mp_add_~i~0 % 256); 38899#L91-1 assume !(1 == mp_add_~i~0 % 256); 38898#L92-1 assume !(2 == mp_add_~i~0 % 256); 38475#L93-1 assume !(3 == mp_add_~i~0 % 256); 38472#L94-1 [2021-10-28 23:58:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1221245325, now seen corresponding path program 1 times [2021-10-28 23:58:08,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:08,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822508293] [2021-10-28 23:58:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:08,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-28 23:58:08,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:58:08,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822508293] [2021-10-28 23:58:08,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822508293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:08,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13969470] [2021-10-28 23:58:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:08,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:58:08,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:08,925 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:58:08,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (304)] Waiting until timeout for monitored process [2021-10-28 23:58:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:09,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:58:09,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-28 23:58:10,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13969470] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:10,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:58:10,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 15 [2021-10-28 23:58:10,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152205073] [2021-10-28 23:58:10,654 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:58:10,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:10,654 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 5 times [2021-10-28 23:58:10,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:10,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841587309] [2021-10-28 23:58:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:10,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:10,662 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:10,666 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:10,832 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:10,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:10,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:10,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:10,832 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:58:10,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:10,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:10,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:10,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration33_Loop [2021-10-28 23:58:10,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:10,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:10,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:10,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:11,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:11,130 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:58:11,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:11,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:11,132 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:11,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2021-10-28 23:58:11,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:11,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:11,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:11,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:11,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:11,193 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:11,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2021-10-28 23:58:11,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:58:11,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:12,201 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:58:12,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:12,204 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:12,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:12,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:12,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:12,204 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:58:12,204 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:12,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:12,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration33_Loop [2021-10-28 23:58:12,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:12,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:12,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:12,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:12,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:12,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:58:12,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,566 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2021-10-28 23:58:12,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:12,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:12,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:12,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,598 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2021-10-28 23:58:12,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:12,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:12,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2021-10-28 23:58:12,627 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:58:12,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,628 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2021-10-28 23:58:12,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,636 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:12,639 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:12,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2021-10-28 23:58:12,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,664 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2021-10-28 23:58:12,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,674 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:12,676 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:12,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2021-10-28 23:58:12,701 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:58:12,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,702 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2021-10-28 23:58:12,703 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 [2021-10-28 23:58:12,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,710 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:12,713 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:12,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2021-10-28 23:58:12,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,738 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2021-10-28 23:58:12,738 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 [2021-10-28 23:58:12,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,746 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:12,747 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:12,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2021-10-28 23:58:12,769 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:58:12,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,769 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2021-10-28 23:58:12,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,778 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:12,782 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:12,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2021-10-28 23:58:12,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,807 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2021-10-28 23:58:12,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:12,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,815 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:12,817 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:12,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Ended with exit code 0 [2021-10-28 23:58:12,839 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:58:12,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,845 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2021-10-28 23:58:12,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,857 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:12,857 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:12,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,857 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:12,860 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:12,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Ended with exit code 0 [2021-10-28 23:58:12,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,886 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2021-10-28 23:58:12,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,894 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:12,894 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:12,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,894 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:12,896 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:12,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2021-10-28 23:58:12,920 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:58:12,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,920 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2021-10-28 23:58:12,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:12,929 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:12,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:12,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:12,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2021-10-28 23:58:12,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,962 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2021-10-28 23:58:12,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:12,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:12,970 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:12,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:12,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:12,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:12,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:12,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:12,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:12,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:12,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2021-10-28 23:58:12,996 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:58:12,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:12,997 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:12,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2021-10-28 23:58:12,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,005 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,005 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:13,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,006 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:13,010 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:13,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:13,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:13,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:13,044 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:13,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2021-10-28 23:58:13,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,053 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:13,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,053 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:13,055 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:13,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2021-10-28 23:58:13,088 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:58:13,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:13,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:13,088 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:13,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2021-10-28 23:58:13,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,096 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,096 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:13,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,097 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:13,100 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:13,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2021-10-28 23:58:13,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:13,125 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:13,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2021-10-28 23:58:13,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:13,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,133 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:13,135 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:13,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2021-10-28 23:58:13,158 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:58:13,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:13,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:13,159 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:13,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2021-10-28 23:58:13,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,167 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:13,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,168 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:13,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:13,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2021-10-28 23:58:13,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:13,201 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2021-10-28 23:58:13,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:13,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:13,209 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:13,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:13,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:13,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:13,210 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:13,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:13,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:13,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:13,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2021-10-28 23:58:13,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:58:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 23:58:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:58:13,237 INFO L87 Difference]: Start difference. First operand 446 states and 486 transitions. cyclomatic complexity: 43 Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:18,650 INFO L93 Difference]: Finished difference Result 394 states and 423 transitions. [2021-10-28 23:58:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-28 23:58:18,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 394 states and 423 transitions. [2021-10-28 23:58:18,651 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 52 [2021-10-28 23:58:18,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 394 states to 354 states and 381 transitions. [2021-10-28 23:58:18,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 354 [2021-10-28 23:58:18,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 354 [2021-10-28 23:58:18,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 354 states and 381 transitions. [2021-10-28 23:58:18,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:58:18,653 INFO L681 BuchiCegarLoop]: Abstraction has 354 states and 381 transitions. [2021-10-28 23:58:18,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states and 381 transitions. [2021-10-28 23:58:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 221. [2021-10-28 23:58:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 221 states have (on average 1.081447963800905) internal successors, (239), 220 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 239 transitions. [2021-10-28 23:58:18,658 INFO L704 BuchiCegarLoop]: Abstraction has 221 states and 239 transitions. [2021-10-28 23:58:18,658 INFO L587 BuchiCegarLoop]: Abstraction has 221 states and 239 transitions. [2021-10-28 23:58:18,658 INFO L425 BuchiCegarLoop]: ======== Iteration 34============ [2021-10-28 23:58:18,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 239 transitions. [2021-10-28 23:58:18,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:58:18,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:18,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:18,660 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:18,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:58:18,660 INFO L791 eck$LassoCheckResult]: Stem: 39560#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 39552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 39543#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39545#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39572#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39554#L51-1 mp_add_~nb~0 := 4; 39555#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39548#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39549#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39557#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 39558#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39581#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 39582#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 39561#L76-2 assume !(1 == mp_add_~i~0 % 256); 39562#L77-1 assume !(2 == mp_add_~i~0 % 256); 39567#L78-1 assume !(3 == mp_add_~i~0 % 256); 39568#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39755#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 39754#L82-2 assume !(1 == mp_add_~i~0 % 256); 39753#L83-1 assume !(2 == mp_add_~i~0 % 256); 39752#L84-1 assume !(3 == mp_add_~i~0 % 256); 39751#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39750#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 39749#L91-1 assume !(1 == mp_add_~i~0 % 256); 39748#L92-1 assume !(2 == mp_add_~i~0 % 256); 39747#L93-1 assume !(3 == mp_add_~i~0 % 256); 39746#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39745#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39744#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39743#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39742#L82 assume !(0 == mp_add_~i~0 % 256); 39741#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 39740#L83-1 assume !(2 == mp_add_~i~0 % 256); 39739#L84-1 assume !(3 == mp_add_~i~0 % 256); 39738#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39737#L87-1 assume !(0 == mp_add_~i~0 % 256); 39736#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 39735#L92-1 assume !(2 == mp_add_~i~0 % 256); 39734#L93-1 assume !(3 == mp_add_~i~0 % 256); 39733#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39732#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39731#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39730#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39729#L82 assume !(0 == mp_add_~i~0 % 256); 39728#L82-2 assume !(1 == mp_add_~i~0 % 256); 39727#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 39726#L84-1 assume !(3 == mp_add_~i~0 % 256); 39725#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39724#L87-1 assume !(0 == mp_add_~i~0 % 256); 39723#L91-1 assume !(1 == mp_add_~i~0 % 256); 39722#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 39721#L93-1 assume !(3 == mp_add_~i~0 % 256); 39720#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39719#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39717#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39714#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39712#L82 assume !(0 == mp_add_~i~0 % 256); 39710#L82-2 assume !(1 == mp_add_~i~0 % 256); 39708#L83-1 assume !(2 == mp_add_~i~0 % 256); 39705#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 39706#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39553#L87-1 assume !(0 == mp_add_~i~0 % 256); 39542#L91-1 assume !(1 == mp_add_~i~0 % 256); 39540#L92-1 assume !(2 == mp_add_~i~0 % 256); 39541#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 39556#L94-1 [2021-10-28 23:58:18,660 INFO L793 eck$LassoCheckResult]: Loop: 39556#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39550#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39551#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39575#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39569#L82 assume !(0 == mp_add_~i~0 % 256); 39570#L82-2 assume !(1 == mp_add_~i~0 % 256); 39574#L83-1 assume !(2 == mp_add_~i~0 % 256); 39571#L84-1 assume !(3 == mp_add_~i~0 % 256); 39565#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39566#L87-1 assume !(0 == mp_add_~i~0 % 256); 39760#L91-1 assume !(1 == mp_add_~i~0 % 256); 39759#L92-1 assume !(2 == mp_add_~i~0 % 256); 39559#L93-1 assume !(3 == mp_add_~i~0 % 256); 39556#L94-1 [2021-10-28 23:58:18,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash 630669467, now seen corresponding path program 1 times [2021-10-28 23:58:18,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:18,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596062867] [2021-10-28 23:58:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:18,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-28 23:58:19,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:58:19,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596062867] [2021-10-28 23:58:19,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596062867] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:19,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535569400] [2021-10-28 23:58:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:19,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:58:19,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:19,036 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:58:19,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (325)] Waiting until timeout for monitored process [2021-10-28 23:58:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:19,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 23:58:19,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 23:58:20,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535569400] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:58:20,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:58:20,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 15 [2021-10-28 23:58:20,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181124036] [2021-10-28 23:58:20,314 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:58:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 11 times [2021-10-28 23:58:20,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:20,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830887004] [2021-10-28 23:58:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:20,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:20,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:20,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:20,503 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:20,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:20,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:20,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:20,503 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:58:20,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:20,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:20,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:20,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration34_Loop [2021-10-28 23:58:20,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:20,503 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:20,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:20,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:20,856 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:20,856 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:58:20,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:20,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:20,857 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:20,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2021-10-28 23:58:20,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:20,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:20,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:20,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:58:20,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2021-10-28 23:58:20,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:20,891 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:20,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2021-10-28 23:58:20,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:20,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:20,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2021-10-28 23:58:20,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:20,939 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2021-10-28 23:58:20,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:58:20,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:21,975 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:58:21,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2021-10-28 23:58:21,978 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:21,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:21,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:21,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:21,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:58:21,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:21,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:21,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:21,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration34_Loop [2021-10-28 23:58:21,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:21,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:21,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:22,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:22,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:22,329 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:58:22,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,336 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2021-10-28 23:58:22,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:22,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:22,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2021-10-28 23:58:22,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,367 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2021-10-28 23:58:22,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:22,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:22,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:22,403 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:58:22,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,407 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2021-10-28 23:58:22,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,415 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:22,418 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:22,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2021-10-28 23:58:22,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,440 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2021-10-28 23:58:22,441 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 [2021-10-28 23:58:22,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,448 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:22,450 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:22,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2021-10-28 23:58:22,471 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 23:58:22,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,471 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2021-10-28 23:58:22,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:22,483 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:22,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2021-10-28 23:58:22,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,510 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2021-10-28 23:58:22,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:22,520 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:22,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Ended with exit code 0 [2021-10-28 23:58:22,552 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 23:58:22,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,553 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2021-10-28 23:58:22,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,563 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:22,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:22,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Ended with exit code 0 [2021-10-28 23:58:22,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,620 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:22,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,631 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:22,634 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:22,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2021-10-28 23:58:22,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:22,668 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 23:58:22,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,669 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2021-10-28 23:58:22,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:22,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,677 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:22,680 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:22,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:22,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,705 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2021-10-28 23:58:22,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,713 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:22,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:58:22,715 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:58:22,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Ended with exit code 0 [2021-10-28 23:58:22,737 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 23:58:22,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,737 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2021-10-28 23:58:22,738 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 [2021-10-28 23:58:22,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,746 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:22,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,746 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:22,749 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:22,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Ended with exit code 0 [2021-10-28 23:58:22,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,779 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2021-10-28 23:58:22,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,788 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 23:58:22,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,788 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:22,792 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:22,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2021-10-28 23:58:22,816 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 23:58:22,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,817 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2021-10-28 23:58:22,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,825 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:22,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,826 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:22,832 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:22,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:22,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,900 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,911 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:22,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,911 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 23:58:22,915 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 23:58:22,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2021-10-28 23:58:22,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:22,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:22,963 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 23:58:22,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:22,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:22,964 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:22,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:22,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:22,975 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:22,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:22,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:22,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:22,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:22,979 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:22,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:22,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2021-10-28 23:58:22,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:23,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:23,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:23,027 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:23,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:23,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:23,038 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 23:58:23,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:23,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:23,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:23,038 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 23:58:23,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:23,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:23,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2021-10-28 23:58:23,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:23,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:23,086 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 23:58:23,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:23,087 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:23,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:23,100 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:23,100 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:23,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:23,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:23,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:23,101 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:23,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:23,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:23,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2021-10-28 23:58:23,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:23,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:23,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:23,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:23,179 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:23,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:23,190 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 23:58:23,190 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 23:58:23,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:23,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:23,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:23,190 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 23:58:23,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:23,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:23,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2021-10-28 23:58:23,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:23,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:23,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:58:23,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 23:58:23,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:58:23,243 INFO L87 Difference]: Start difference. First operand 221 states and 239 transitions. cyclomatic complexity: 19 Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:24,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:58:24,432 INFO L93 Difference]: Finished difference Result 261 states and 274 transitions. [2021-10-28 23:58:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:58:24,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 274 transitions. [2021-10-28 23:58:24,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:58:24,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 0 states and 0 transitions. [2021-10-28 23:58:24,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:58:24,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:58:24,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:58:24,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:58:24,434 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:24,434 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:24,434 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:24,434 INFO L425 BuchiCegarLoop]: ======== Iteration 35============ [2021-10-28 23:58:24,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:58:24,434 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:58:24,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:58:24,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:58:24 BoogieIcfgContainer [2021-10-28 23:58:24,440 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:58:24,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:58:24,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:58:24,441 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:58:24,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:17" (3/4) ... [2021-10-28 23:58:24,444 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:58:24,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:58:24,445 INFO L168 Benchmark]: Toolchain (without parser) took 187853.06 ms. Allocated memory was 123.7 MB in the beginning and 325.1 MB in the end (delta: 201.3 MB). Free memory was 91.3 MB in the beginning and 43.6 MB in the end (delta: 47.7 MB). Peak memory consumption was 249.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,445 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:24,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.68 ms. Allocated memory is still 123.7 MB. Free memory was 91.3 MB in the beginning and 98.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.44 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 97.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,446 INFO L168 Benchmark]: Boogie Preprocessor took 25.79 ms. Allocated memory is still 123.7 MB. Free memory was 97.2 MB in the beginning and 95.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,446 INFO L168 Benchmark]: RCFGBuilder took 415.69 ms. Allocated memory is still 123.7 MB. Free memory was 95.9 MB in the beginning and 82.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,447 INFO L168 Benchmark]: BuchiAutomizer took 187044.44 ms. Allocated memory was 123.7 MB in the beginning and 325.1 MB in the end (delta: 201.3 MB). Free memory was 82.9 MB in the beginning and 44.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:24,447 INFO L168 Benchmark]: Witness Printer took 3.54 ms. Allocated memory is still 325.1 MB. Free memory was 43.8 MB in the beginning and 43.6 MB in the end (delta: 237.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:24,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 297.68 ms. Allocated memory is still 123.7 MB. Free memory was 91.3 MB in the beginning and 98.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.44 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 97.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.79 ms. Allocated memory is still 123.7 MB. Free memory was 97.2 MB in the beginning and 95.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 415.69 ms. Allocated memory is still 123.7 MB. Free memory was 95.9 MB in the beginning and 82.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 187044.44 ms. Allocated memory was 123.7 MB in the beginning and 325.1 MB in the end (delta: 201.3 MB). Free memory was 82.9 MB in the beginning and 44.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.54 ms. Allocated memory is still 325.1 MB. Free memory was 43.8 MB in the beginning and 43.6 MB in the end (delta: 237.7 kB). 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 34 terminating modules (34 trivial, 0 deterministic, 0 nondeterministic). 34 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 187.0s and 35 iterations. TraceHistogramMax:7. Analysis of lassos took 157.2s. Construction of modules took 18.9s. Büchi inclusion checks took 9.7s. Highest rank in rank-based complementation 0. Minimization of det autom 34. Minimization of nondet autom 0. Automata minimization 0.4s AutomataMinimizationTime, 33 MinimizatonAttempts, 8328 StatesRemovedByMinimization, 33 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 1333 states and ocurred in iteration 16. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1537 SDtfs, 7437 SDslu, 4017 SDs, 0 SdLazy, 14693 SolverSat, 941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time LassoAnalysisResults: nont0 unkn0 SFLI17 SFLT0 conc3 concLT0 SILN0 SILU13 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div393 bol100 ite100 ukn100 eq146 hnf47 smp69 dnf100 smp100 tf102 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 46ms VariablesStem: 0 VariablesLoop: 12 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 16 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 17.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:58:24,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (325)] Ended with exit code 0 [2021-10-28 23:58:24,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (304)] Ended with exit code 0 [2021-10-28 23:58:24,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (282)] Ended with exit code 0 [2021-10-28 23:58:25,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (260)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:25,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Ended with exit code 0 [2021-10-28 23:58:25,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:25,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (177)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:25,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:26,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:26,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:26,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:26,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:26,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:27,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:27,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-28 23:58:27,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:27,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 23:58:28,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3260fe-2ef5-44cc-a71f-7fd67c953183/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...