./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF --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 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:24:31,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:24:31,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:24:31,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:24:31,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:24:31,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:24:31,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:24:31,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:24:31,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:24:31,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:24:31,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:24:31,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:24:31,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:24:31,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:24:31,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:24:31,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:24:31,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:24:31,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:24:31,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:24:31,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:24:31,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:24:31,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:24:31,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:24:31,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:24:31,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:24:31,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:24:31,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:24:31,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:24:31,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:24:31,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:24:31,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:24:31,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:24:31,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:24:31,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:24:31,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:24:31,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:24:31,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:24:31,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:24:31,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:24:31,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:24:31,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:24:31,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:24:31,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:24:31,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:24:31,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:24:31,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:24:31,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:24:31,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:24:31,697 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:24:31,697 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:24:31,698 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:24:31,698 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:24:31,699 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:24:31,699 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:24:31,699 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:24:31,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:24:31,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:24:31,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:24:31,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:24:31,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:24:31,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:24:31,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:24:31,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:24:31,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:24:31,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:24:31,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:24:31,702 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:24:31,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:24:31,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:24:31,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:24:31,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:24:31,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:24:31,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:24:31,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:24:31,706 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:24:31,707 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_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c [2021-11-20 06:24:31,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:24:31,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:24:31,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:24:31,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:24:31,990 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:24:31,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/loops/trex01-1.c [2021-11-20 06:24:32,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/data/daa40475a/37f9c767907b44d4975d0b9f7b22c76a/FLAGc91e0e927 [2021-11-20 06:24:32,538 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:24:32,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/sv-benchmarks/c/loops/trex01-1.c [2021-11-20 06:24:32,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/data/daa40475a/37f9c767907b44d4975d0b9f7b22c76a/FLAGc91e0e927 [2021-11-20 06:24:32,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/data/daa40475a/37f9c767907b44d4975d0b9f7b22c76a [2021-11-20 06:24:32,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:24:32,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:24:32,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:24:32,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:24:32,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:24:32,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:32" (1/1) ... [2021-11-20 06:24:32,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c46ee2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:32, skipping insertion in model container [2021-11-20 06:24:32,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:32" (1/1) ... [2021-11-20 06:24:32,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:24:32,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:24:33,114 WARN L230 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_6b79264a-554b-444a-8eaf-8419696f8bed/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-11-20 06:24:33,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:24:33,140 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:24:33,152 WARN L230 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_6b79264a-554b-444a-8eaf-8419696f8bed/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-11-20 06:24:33,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:24:33,172 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:24:33,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33 WrapperNode [2021-11-20 06:24:33,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:24:33,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:24:33,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:24:33,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:24:33,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,209 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 91 [2021-11-20 06:24:33,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:24:33,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:24:33,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:24:33,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:24:33,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:24:33,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:24:33,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:24:33,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:24:33,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (1/1) ... [2021-11-20 06:24:33,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:33,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:33,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:24:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:24:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:24:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:24:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:24:33,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:24:33,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:24:33,539 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:24:33,545 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:24:33,545 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:24:33,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:33 BoogieIcfgContainer [2021-11-20 06:24:33,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:24:33,548 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:24:33,548 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:24:33,552 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:24:33,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:33,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:24:32" (1/3) ... [2021-11-20 06:24:33,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34cbb439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:33, skipping insertion in model container [2021-11-20 06:24:33,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:33,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:33" (2/3) ... [2021-11-20 06:24:33,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34cbb439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:33, skipping insertion in model container [2021-11-20 06:24:33,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:33,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:33" (3/3) ... [2021-11-20 06:24:33,557 INFO L388 chiAutomizerObserver]: Analyzing ICFG trex01-1.c [2021-11-20 06:24:33,642 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:24:33,643 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:24:33,643 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:24:33,643 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:24:33,643 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:24:33,643 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:24:33,643 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:24:33,643 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:24:33,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:33,679 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 06:24:33,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:33,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:33,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:24:33,685 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:24:33,685 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:24:33,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:33,690 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 06:24:33,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:33,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:33,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:24:33,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:24:33,697 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 25#L37true assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 3#L16true assume !!(f_~k~0#1 <= 1073741823); 20#L19-1true [2021-11-20 06:24:33,698 INFO L793 eck$LassoCheckResult]: Loop: 20#L19-1true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 20#L19-1true [2021-11-20 06:24:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:33,703 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-11-20 06:24:33,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:33,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784773957] [2021-11-20 06:24:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:33,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:33,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:33,897 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-11-20 06:24:33,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:33,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242114991] [2021-11-20 06:24:33,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:33,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,911 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:33,931 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2021-11-20 06:24:33,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:33,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472962328] [2021-11-20 06:24:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:33,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,945 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:33,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:34,312 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:34,312 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:34,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:34,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:34,313 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:34,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:34,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:34,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:34,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration1_Lasso [2021-11-20 06:24:34,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:34,315 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:34,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:34,752 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:34,757 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:34,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:34,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:34,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:34,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:34,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:34,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:34,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:34,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:34,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:34,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:34,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:24:34,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:34,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:34,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:34,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:34,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:34,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:34,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:34,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:34,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:34,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:34,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:34,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:24:34,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:34,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:34,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:34,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:34,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:24:34,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:34,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:34,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:34,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:34,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:34,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:34,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:34,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:34,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:34,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:34,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:34,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:34,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:34,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:24:34,993 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 [2021-11-20 06:24:35,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:35,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:35,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:35,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 06:24:35,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:24:35,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:24:35,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:24:35,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,299 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:24:35,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,368 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:24:35,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:24:35,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:35,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:35,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:35,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,493 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:24:35,499 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 [2021-11-20 06:24:35,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,573 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:24:35,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,651 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:24:35,657 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 [2021-11-20 06:24:35,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,709 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:24:35,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,806 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:24:35,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:35,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:35,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:35,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,843 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:24:35,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:35,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:35,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:35,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-20 06:24:35,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,891 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:24:35,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:35,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:35,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:35,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:35,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:35,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:35,926 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:35,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:24:35,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:35,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:35,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:35,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:35,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:35,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:35,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:35,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:36,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:36,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:36,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:36,010 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:36,030 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 [2021-11-20 06:24:36,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:36,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:36,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:36,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:36,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:36,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:36,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:24:36,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:36,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:36,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:36,082 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:24:36,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:36,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:36,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:36,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:36,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:36,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:36,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:36,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:36,159 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:24:36,159 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:24:36,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:36,175 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:36,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:24:36,214 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:36,214 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:36,214 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2021-11-20 06:24:36,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:36,254 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:36,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:36,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:24:36,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:36,327 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:36,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:36,371 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-20 06:24:36,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:36,518 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 111 transitions. Complement of second has 7 states. [2021-11-20 06:24:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2021-11-20 06:24:36,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-20 06:24:36,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:36,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 5 letters. Loop has 1 letters. [2021-11-20 06:24:36,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:36,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-20 06:24:36,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:36,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 111 transitions. [2021-11-20 06:24:36,553 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-11-20 06:24:36,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 26 states and 34 transitions. [2021-11-20 06:24:36,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-20 06:24:36,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-20 06:24:36,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-11-20 06:24:36,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:24:36,561 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-11-20 06:24:36,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-11-20 06:24:36,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-11-20 06:24:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-20 06:24:36,587 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 06:24:36,587 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 06:24:36,588 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:24:36,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-11-20 06:24:36,589 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-11-20 06:24:36,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:36,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:36,590 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:24:36,590 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:24:36,590 INFO L791 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 180#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 168#L16-1 assume !!(f_~k~0#1 <= 1073741823); 169#L19-4 [2021-11-20 06:24:36,590 INFO L793 eck$LassoCheckResult]: Loop: 169#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 169#L19-4 [2021-11-20 06:24:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:36,591 INFO L85 PathProgramCache]: Analyzing trace with hash 927240, now seen corresponding path program 1 times [2021-11-20 06:24:36,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:36,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423474601] [2021-11-20 06:24:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:36,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,600 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:36,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:36,609 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-11-20 06:24:36,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:36,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109225814] [2021-11-20 06:24:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:36,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,614 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:36,618 INFO L85 PathProgramCache]: Analyzing trace with hash 28744510, now seen corresponding path program 1 times [2021-11-20 06:24:36,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:36,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899211977] [2021-11-20 06:24:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:36,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,626 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:36,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:36,837 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:36,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:36,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:36,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:36,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:36,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:36,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:36,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:36,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration2_Lasso [2021-11-20 06:24:36,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:36,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:36,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:36,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:37,144 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:37,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:37,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:37,151 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:37,152 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 [2021-11-20 06:24:37,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:24:37,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:37,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:37,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:37,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:37,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:37,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:37,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:37,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:37,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:37,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:37,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:37,209 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:37,215 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 [2021-11-20 06:24:37,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:37,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:37,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:37,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:37,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:37,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:37,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:24:37,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:37,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:37,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:37,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:37,276 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:37,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:37,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:37,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:37,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:37,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:37,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:37,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:37,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:24:37,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:37,327 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:24:37,327 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:24:37,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:37,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:37,328 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:37,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:37,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:24:37,345 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:37,345 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:37,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2021-11-20 06:24:37,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:37,384 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:37,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:24:37,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:37,450 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:37,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:37,452 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-20 06:24:37,452 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:37,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 44 transitions. Complement of second has 6 states. [2021-11-20 06:24:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-20 06:24:37,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-20 06:24:37,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:37,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 1 letters. [2021-11-20 06:24:37,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:37,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-20 06:24:37,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:37,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2021-11-20 06:24:37,509 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-11-20 06:24:37,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 27 states and 36 transitions. [2021-11-20 06:24:37,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-20 06:24:37,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-20 06:24:37,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2021-11-20 06:24:37,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:24:37,513 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-11-20 06:24:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2021-11-20 06:24:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2021-11-20 06:24:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-20 06:24:37,521 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-20 06:24:37,521 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-20 06:24:37,521 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:24:37,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-11-20 06:24:37,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:37,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:37,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:37,524 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:37,524 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:37,524 INFO L791 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 283#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 267#L16 assume !!(f_~k~0#1 <= 1073741823); 268#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 269#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 270#L6 assume !(0 == __VERIFIER_assert_~cond#1); 277#L6-2 assume { :end_inline___VERIFIER_assert } true; 278#L24-2 [2021-11-20 06:24:37,525 INFO L793 eck$LassoCheckResult]: Loop: 278#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 279#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 278#L24-2 [2021-11-20 06:24:37,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash 120463377, now seen corresponding path program 1 times [2021-11-20 06:24:37,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:37,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451969452] [2021-11-20 06:24:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:37,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:37,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451969452] [2021-11-20 06:24:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451969452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:24:37,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:24:37,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:24:37,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067269566] [2021-11-20 06:24:37,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:37,606 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:24:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 1 times [2021-11-20 06:24:37,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:37,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208588860] [2021-11-20 06:24:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:37,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,611 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:37,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:37,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:24:37,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:24:37,689 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:37,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:37,736 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-11-20 06:24:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:24:37,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-11-20 06:24:37,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:37,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2021-11-20 06:24:37,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-20 06:24:37,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-20 06:24:37,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2021-11-20 06:24:37,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:24:37,741 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-20 06:24:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2021-11-20 06:24:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-20 06:24:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 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) [2021-11-20 06:24:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-20 06:24:37,746 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-20 06:24:37,746 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-20 06:24:37,746 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:24:37,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-11-20 06:24:37,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:37,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:37,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:37,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:37,752 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:37,753 INFO L791 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 338#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 322#L16 assume !!(f_~k~0#1 <= 1073741823); 323#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 336#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 324#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 325#L6 assume !(0 == __VERIFIER_assert_~cond#1); 330#L6-2 assume { :end_inline___VERIFIER_assert } true; 331#L24-2 [2021-11-20 06:24:37,753 INFO L793 eck$LassoCheckResult]: Loop: 331#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 334#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 331#L24-2 [2021-11-20 06:24:37,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,753 INFO L85 PathProgramCache]: Analyzing trace with hash -558941100, now seen corresponding path program 1 times [2021-11-20 06:24:37,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:37,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491964087] [2021-11-20 06:24:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:37,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:37,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 2 times [2021-11-20 06:24:37,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:37,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335522222] [2021-11-20 06:24:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:37,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,803 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:37,810 INFO L85 PathProgramCache]: Analyzing trace with hash -271483749, now seen corresponding path program 1 times [2021-11-20 06:24:37,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:37,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529825380] [2021-11-20 06:24:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:37,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,836 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:37,855 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:38,164 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:38,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:38,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:38,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:38,165 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:38,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:38,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:38,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration4_Lasso [2021-11-20 06:24:38,165 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:38,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:38,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:38,501 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:38,501 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:38,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,507 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:38,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:38,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:38,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:24:38,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,570 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:24:38,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:38,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:38,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,649 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:24:38,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:38,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:38,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,712 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:38,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:38,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:24:38,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,785 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:24:38,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:38,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:38,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,856 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:38,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:38,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:38,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:24:38,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,931 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,933 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 [2021-11-20 06:24:38,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:38,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:38,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:38,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:38,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:38,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:38,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:38,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:24:38,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:38,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:38,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:38,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:38,993 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:38,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:39,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:39,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:39,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:39,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:39,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:39,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:39,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:39,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:24:39,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:39,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:39,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:39,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:39,053 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:39,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:24:39,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:39,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:39,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:39,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:39,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:39,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:39,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:39,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:39,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:39,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:39,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:39,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:39,134 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:24:39,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:39,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:39,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:39,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:39,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:39,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:39,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:39,166 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:24:39,166 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-20 06:24:39,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:39,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:39,168 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:39,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:24:39,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:39,180 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:39,180 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:39,180 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-11-20 06:24:39,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:39,202 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:39,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:39,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:39,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:39,359 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:39,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:39,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 34 transitions. Complement of second has 6 states. [2021-11-20 06:24:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 06:24:39,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:24:39,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:39,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2021-11-20 06:24:39,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:39,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-20 06:24:39,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:39,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-11-20 06:24:39,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:39,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 26 states and 33 transitions. [2021-11-20 06:24:39,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-11-20 06:24:39,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-20 06:24:39,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-11-20 06:24:39,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:39,402 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-20 06:24:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-11-20 06:24:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-11-20 06:24:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 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) [2021-11-20 06:24:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-20 06:24:39,405 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-20 06:24:39,405 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-20 06:24:39,405 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:24:39,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-11-20 06:24:39,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:39,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:39,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:39,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:39,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:39,408 INFO L791 eck$LassoCheckResult]: Stem: 445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 459#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 443#L16-1 assume !!(f_~k~0#1 <= 1073741823); 444#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 460#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 461#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 462#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 463#L6-5 assume { :end_inline___VERIFIER_assert } true; 449#L24-5 [2021-11-20 06:24:39,408 INFO L793 eck$LassoCheckResult]: Loop: 449#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 450#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 449#L24-5 [2021-11-20 06:24:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:39,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1032137369, now seen corresponding path program 1 times [2021-11-20 06:24:39,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:39,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190202216] [2021-11-20 06:24:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:39,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,419 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:39,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:39,431 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 1 times [2021-11-20 06:24:39,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:39,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025479197] [2021-11-20 06:24:39,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:39,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,439 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash 253436750, now seen corresponding path program 1 times [2021-11-20 06:24:39,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:39,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563413362] [2021-11-20 06:24:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:39,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,450 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:39,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:39,735 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:39,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:39,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:39,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:39,735 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:39,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:39,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:39,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:39,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration5_Lasso [2021-11-20 06:24:39,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:39,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:39,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:39,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:40,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:40,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:40,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,061 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:24:40,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 06:24:40,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,130 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,141 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 [2021-11-20 06:24:40,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:24:40,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:40,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:40,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,235 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:24:40,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:40,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:40,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:40,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 06:24:40,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,294 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:24:40,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:40,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:40,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:40,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 06:24:40,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,334 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:24:40,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 06:24:40,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,368 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:24:40,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:40,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,405 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:24:40,408 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 [2021-11-20 06:24:40,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:40,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 06:24:40,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,451 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:24:40,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:40,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:40,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:40,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:40,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:40,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:40,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:40,477 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 06:24:40,477 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-11-20 06:24:40,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,478 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:24:40,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:40,488 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:40,488 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:40,488 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-11-20 06:24:40,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:40,510 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:40,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:40,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:40,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:40,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:40,653 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:40,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:40,686 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 40 transitions. Complement of second has 6 states. [2021-11-20 06:24:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 06:24:40,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:24:40,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:40,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2021-11-20 06:24:40,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:40,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-20 06:24:40,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:40,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-11-20 06:24:40,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:40,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2021-11-20 06:24:40,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 06:24:40,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-20 06:24:40,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2021-11-20 06:24:40,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:40,691 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-11-20 06:24:40,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2021-11-20 06:24:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-11-20 06:24:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-11-20 06:24:40,694 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-11-20 06:24:40,694 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-11-20 06:24:40,694 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:24:40,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2021-11-20 06:24:40,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:24:40,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:40,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:40,695 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:40,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:24:40,696 INFO L791 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 587#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 564#L16 assume !!(f_~k~0#1 <= 1073741823); 565#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 584#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 566#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 567#L6 assume !(0 == __VERIFIER_assert_~cond#1); 572#L6-2 assume { :end_inline___VERIFIER_assert } true; 573#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 583#L24 assume 0 != f_~c~0#1 % 256; 585#L25 [2021-11-20 06:24:40,696 INFO L793 eck$LassoCheckResult]: Loop: 585#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 579#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 580#L24 assume 0 != f_~c~0#1 % 256; 585#L25 [2021-11-20 06:24:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:40,697 INFO L85 PathProgramCache]: Analyzing trace with hash -271483753, now seen corresponding path program 1 times [2021-11-20 06:24:40,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:40,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381971581] [2021-11-20 06:24:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:40,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,705 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:40,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 76305, now seen corresponding path program 1 times [2021-11-20 06:24:40,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:40,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599344273] [2021-11-20 06:24:40,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:40,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,719 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash -349020741, now seen corresponding path program 1 times [2021-11-20 06:24:40,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:40,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123499231] [2021-11-20 06:24:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:40,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:40,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:40,793 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:40,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:40,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:40,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:40,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:24:40,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:40,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:40,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Loop [2021-11-20 06:24:40,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:40,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:40,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:40,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:40,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:40,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:40,903 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:40,904 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:24:40,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,915 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:40,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:40,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:24:40,951 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:40,951 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:40,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 06:24:40,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:40,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:40,977 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:24:40,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:40,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:40,996 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:40,997 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7#1=225, ULTIMATE.start_f_~c~0#1=225} Honda state: {ULTIMATE.start_f_#t~nondet7#1=225, ULTIMATE.start_f_~c~0#1=225} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:41,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:24:41,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,017 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:24:41,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:41,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:41,056 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:41,056 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=193, ULTIMATE.start_f_#t~nondet8#1=193} Honda state: {ULTIMATE.start_f_~y~0#1=193, ULTIMATE.start_f_#t~nondet8#1=193} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:41,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:24:41,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,076 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:24:41,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:41,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:41,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:41,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,109 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:24:41,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:24:41,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:41,134 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:41,134 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2021-11-20 06:24:41,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:24:41,440 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:41,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:41,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:41,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:41,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:41,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:41,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:41,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Lasso [2021-11-20 06:24:41,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:41,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:41,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:41,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:41,808 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:41,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:41,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,810 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:24:41,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:41,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:41,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:41,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:41,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:41,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:41,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:41,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:41,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-20 06:24:41,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,856 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:24:41,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:41,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:41,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:41,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:41,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:41,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:41,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:41,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:41,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:41,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:41,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,886 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:24:41,887 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 [2021-11-20 06:24:41,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:41,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:41,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:41,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:41,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:41,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:41,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:41,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 06:24:41,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,919 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:24:41,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:41,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:41,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:41,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:41,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:41,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:41,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:41,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:41,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:41,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:41,979 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:41,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:24:41,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:41,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:41,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:41,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:41,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:41,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:41,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:41,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-20 06:24:42,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,012 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:24:42,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 06:24:42,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,093 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:24:42,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:42,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:42,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:42,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 06:24:42,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,125 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:24:42,126 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 [2021-11-20 06:24:42,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,201 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:24:42,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,256 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:24:42,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 06:24:42,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,321 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:24:42,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,395 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:24:42,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,463 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:42,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:42,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:42,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:24:42,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 06:24:42,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,512 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:24:42,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,554 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:24:42,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,587 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:24:42,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,623 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:24:42,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,656 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:24:42,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 06:24:42,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,689 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:24:42,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:42,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:42,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:42,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,719 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:24:42,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-20 06:24:42,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,756 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:24:42,758 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 [2021-11-20 06:24:42,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 06:24:42,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,795 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:24:42,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:42,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:42,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:42,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:42,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:42,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:42,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,826 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,827 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 [2021-11-20 06:24:42,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:24:42,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:42,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:42,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:42,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:42,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:42,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:42,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:42,847 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 06:24:42,848 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:24:42,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:42,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:42,849 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:42,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:24:42,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:42,860 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:42,860 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:42,860 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-11-20 06:24:42,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 06:24:42,890 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:42,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:42,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:42,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:43,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:43,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:43,123 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-20 06:24:43,123 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:43,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 51 transitions. Complement of second has 7 states. [2021-11-20 06:24:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-11-20 06:24:43,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2021-11-20 06:24:43,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:43,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-20 06:24:43,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:43,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2021-11-20 06:24:43,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:43,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2021-11-20 06:24:43,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-20 06:24:43,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 46 transitions. [2021-11-20 06:24:43,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 06:24:43,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-20 06:24:43,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 46 transitions. [2021-11-20 06:24:43,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:43,197 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-11-20 06:24:43,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 46 transitions. [2021-11-20 06:24:43,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-11-20 06:24:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 33 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2021-11-20 06:24:43,201 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-11-20 06:24:43,201 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-11-20 06:24:43,201 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:24:43,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2021-11-20 06:24:43,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-20 06:24:43,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:43,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:43,203 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:43,203 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:24:43,203 INFO L791 eck$LassoCheckResult]: Stem: 719#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 720#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 736#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 717#L16-1 assume !!(f_~k~0#1 <= 1073741823); 718#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 737#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 738#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 739#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 740#L6-5 assume { :end_inline___VERIFIER_assert } true; 741#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 727#L24-3 assume 0 != f_~c~0#1 % 256; 735#L25-1 [2021-11-20 06:24:43,204 INFO L793 eck$LassoCheckResult]: Loop: 735#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 723#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 724#L24-3 assume 0 != f_~c~0#1 % 256; 735#L25-1 [2021-11-20 06:24:43,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:43,204 INFO L85 PathProgramCache]: Analyzing trace with hash 253436746, now seen corresponding path program 1 times [2021-11-20 06:24:43,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:43,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491984322] [2021-11-20 06:24:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:43,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,214 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,223 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash 126948, now seen corresponding path program 1 times [2021-11-20 06:24:43,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:43,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592950926] [2021-11-20 06:24:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:43,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:43,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:43,233 INFO L85 PathProgramCache]: Analyzing trace with hash -418309125, now seen corresponding path program 1 times [2021-11-20 06:24:43,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:43,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378284270] [2021-11-20 06:24:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:43,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,242 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:43,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:43,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:43,340 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:43,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:43,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:43,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:43,341 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:24:43,341 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,341 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:43,341 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:43,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Loop [2021-11-20 06:24:43,342 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:43,342 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:43,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:43,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:24:43,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:43,442 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:43,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:43,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:43,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:24:43,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:43,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:43,502 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:43,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:24:43,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:24:43,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:43,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:43,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2021-11-20 06:24:43,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:43,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:43,543 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:43,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:24:43,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:43,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:43,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:43,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7#1=-77, ULTIMATE.start_f_~c~0#1=-77} Honda state: {ULTIMATE.start_f_#t~nondet7#1=-77, ULTIMATE.start_f_~c~0#1=-77} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:43,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-20 06:24:43,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:43,583 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:43,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:24:43,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:43,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:43,597 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:43,597 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:43,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-20 06:24:43,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:43,617 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:43,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:24:43,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:43,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:43,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:43,636 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=132, ULTIMATE.start_f_#t~nondet8#1=132} Honda state: {ULTIMATE.start_f_~y~0#1=132, ULTIMATE.start_f_#t~nondet8#1=132} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:43,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:43,954 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:43,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:43,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:43,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:43,955 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:43,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:43,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:43,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:43,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Lasso [2021-11-20 06:24:43,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:43,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:43,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:43,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:44,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:44,321 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:44,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,322 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:24:44,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,392 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:24:44,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,457 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:24:44,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,522 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:24:44,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:44,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:44,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:44,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,559 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:24:44,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:44,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:44,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:44,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,595 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:24:44,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,673 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:24:44,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 06:24:44,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,722 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 06:24:44,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:44,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:44,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,760 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 06:24:44,764 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 [2021-11-20 06:24:44,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:44,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:44,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:44,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:44,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:44,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:44,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:44,791 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 06:24:44,791 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-20 06:24:44,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:44,792 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:44,793 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:44,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 06:24:44,803 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:44,804 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:44,804 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-11-20 06:24:44,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:44,829 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:44,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:44,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:44,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:44,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:45,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:45,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:45,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-20 06:24:45,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:45,131 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 18. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 58 transitions. Complement of second has 7 states. [2021-11-20 06:24:45,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-11-20 06:24:45,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2021-11-20 06:24:45,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:45,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-20 06:24:45,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:45,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2021-11-20 06:24:45,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:45,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 58 transitions. [2021-11-20 06:24:45,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:45,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 53 transitions. [2021-11-20 06:24:45,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 06:24:45,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-20 06:24:45,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 53 transitions. [2021-11-20 06:24:45,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:45,145 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2021-11-20 06:24:45,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 53 transitions. [2021-11-20 06:24:45,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-11-20 06:24:45,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 38 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2021-11-20 06:24:45,153 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-11-20 06:24:45,153 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-11-20 06:24:45,153 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 06:24:45,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 52 transitions. [2021-11-20 06:24:45,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:45,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:45,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:45,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:45,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:45,156 INFO L791 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 895#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 872#L16 assume !!(f_~k~0#1 <= 1073741823); 873#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 892#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 874#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 875#L6 assume !(0 == __VERIFIER_assert_~cond#1); 884#L6-2 assume { :end_inline___VERIFIER_assert } true; 885#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 905#L24 assume 0 != f_~c~0#1 % 256; 890#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 888#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 889#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 886#L24-2 [2021-11-20 06:24:45,156 INFO L793 eck$LassoCheckResult]: Loop: 886#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 887#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 886#L24-2 [2021-11-20 06:24:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash -349020737, now seen corresponding path program 1 times [2021-11-20 06:24:45,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:45,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971327724] [2021-11-20 06:24:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:45,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,185 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:45,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:45,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 3 times [2021-11-20 06:24:45,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255131260] [2021-11-20 06:24:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:45,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,216 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:45,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash -401477818, now seen corresponding path program 2 times [2021-11-20 06:24:45,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:45,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006509187] [2021-11-20 06:24:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:45,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,240 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:45,253 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:45,656 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:45,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:45,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:45,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:45,657 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:45,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:45,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:45,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:45,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration8_Lasso [2021-11-20 06:24:45,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:45,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:45,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:45,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:46,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:46,025 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:46,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,030 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 06:24:46,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:46,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:46,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:46,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-20 06:24:46,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,064 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 06:24:46,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-20 06:24:46,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,104 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 06:24:46,106 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 [2021-11-20 06:24:46,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-20 06:24:46,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,139 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 06:24:46,140 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 [2021-11-20 06:24:46,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,188 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 06:24:46,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,255 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 06:24:46,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,304 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 06:24:46,305 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 [2021-11-20 06:24:46,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,337 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 06:24:46,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-20 06:24:46,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,370 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 06:24:46,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:46,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:46,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:46,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,399 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 06:24:46,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-20 06:24:46,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,432 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 06:24:46,433 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 [2021-11-20 06:24:46,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,470 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 06:24:46,472 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 [2021-11-20 06:24:46,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,502 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 06:24:46,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:46,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:46,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:46,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-20 06:24:46,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,531 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 06:24:46,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-20 06:24:46,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,563 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-20 06:24:46,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,595 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-20 06:24:46,596 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 [2021-11-20 06:24:46,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-20 06:24:46,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,628 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-20 06:24:46,629 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 [2021-11-20 06:24:46,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,659 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-20 06:24:46,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:46,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:46,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:46,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-20 06:24:46,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,689 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-20 06:24:46,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:46,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:46,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,722 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-20 06:24:46,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:46,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:46,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:46,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:46,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:46,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:46,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:46,740 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:46,745 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 06:24:46,745 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:24:46,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:46,746 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:46,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-20 06:24:46,747 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:46,755 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:46,755 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:46,755 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-11-20 06:24:46,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-20 06:24:46,778 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:46,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:46,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:46,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:46,962 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:46,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 52 transitions. cyclomatic complexity: 21 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:46,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 52 transitions. cyclomatic complexity: 21. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 74 transitions. Complement of second has 6 states. [2021-11-20 06:24:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-20 06:24:46,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2021-11-20 06:24:46,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:46,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:46,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:46,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-20 06:24:46,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:46,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2021-11-20 06:24:46,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:46,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 64 transitions. [2021-11-20 06:24:46,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-11-20 06:24:46,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-20 06:24:46,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 64 transitions. [2021-11-20 06:24:46,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:46,995 INFO L681 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-11-20 06:24:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 64 transitions. [2021-11-20 06:24:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2021-11-20 06:24:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-11-20 06:24:46,999 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-11-20 06:24:47,000 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-11-20 06:24:47,000 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-20 06:24:47,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 62 transitions. [2021-11-20 06:24:47,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:47,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:47,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:47,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:47,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:47,002 INFO L791 eck$LassoCheckResult]: Stem: 1063#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1064#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1077#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1056#L16-1 assume !!(f_~k~0#1 <= 1073741823); 1057#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1078#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 1079#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1080#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 1081#L6-5 assume { :end_inline___VERIFIER_assert } true; 1058#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1060#L24-3 assume 0 != f_~c~0#1 % 256; 1075#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1061#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1062#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1083#L24-5 [2021-11-20 06:24:47,002 INFO L793 eck$LassoCheckResult]: Loop: 1083#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1082#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1083#L24-5 [2021-11-20 06:24:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash -418309121, now seen corresponding path program 1 times [2021-11-20 06:24:47,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:47,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173093250] [2021-11-20 06:24:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:47,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,013 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:47,024 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 2 times [2021-11-20 06:24:47,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111039577] [2021-11-20 06:24:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:47,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:47,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:47,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1731863526, now seen corresponding path program 2 times [2021-11-20 06:24:47,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:47,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336784781] [2021-11-20 06:24:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:47,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:47,051 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:47,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:47,475 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:47,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:47,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:47,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:47,475 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:47,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:47,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:47,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration9_Lasso [2021-11-20 06:24:47,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:47,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:47,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:47,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:47,847 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:47,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:47,854 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:47,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-20 06:24:47,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:47,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:47,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:47,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:47,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:47,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:47,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:47,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:47,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:47,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:47,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:47,890 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-20 06:24:47,891 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 [2021-11-20 06:24:47,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:47,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:47,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:47,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:47,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:47,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:47,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:47,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:47,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:47,921 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:47,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-20 06:24:47,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:47,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:47,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:47,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:47,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:47,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:47,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:47,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:47,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-11-20 06:24:47,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:47,955 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:47,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-20 06:24:47,956 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 [2021-11-20 06:24:47,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:47,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:47,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:47,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:47,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:47,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:47,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:47,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:47,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:47,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:47,988 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:47,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-20 06:24:47,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:47,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:47,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:47,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:47,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:47,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:47,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,022 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-20 06:24:48,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:48,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:48,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:48,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,054 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-20 06:24:48,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:48,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,097 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-20 06:24:48,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:48,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-20 06:24:48,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,131 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-20 06:24:48,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:48,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,196 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-20 06:24:48,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:24:48,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:24:48,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:24:48,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,227 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-20 06:24:48,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:48,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:48,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:24:48,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-11-20 06:24:48,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,262 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-20 06:24:48,263 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 [2021-11-20 06:24:48,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:48,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:48,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:48,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:48,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:48,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:48,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:48,289 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:24:48,289 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-20 06:24:48,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:48,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:48,298 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-20 06:24:48,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:48,307 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:48,307 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:48,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-11-20 06:24:48,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:48,331 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:48,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:48,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:48,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:48,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:48,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:48,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 62 transitions. cyclomatic complexity: 25 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:48,552 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 62 transitions. cyclomatic complexity: 25. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 84 transitions. Complement of second has 6 states. [2021-11-20 06:24:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-20 06:24:48,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2021-11-20 06:24:48,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:48,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:48,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:48,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-20 06:24:48,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:48,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 84 transitions. [2021-11-20 06:24:48,556 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:48,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 57 states and 74 transitions. [2021-11-20 06:24:48,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-20 06:24:48,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-20 06:24:48,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 74 transitions. [2021-11-20 06:24:48,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:48,558 INFO L681 BuchiCegarLoop]: Abstraction has 57 states and 74 transitions. [2021-11-20 06:24:48,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 74 transitions. [2021-11-20 06:24:48,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2021-11-20 06:24:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.309090909090909) internal successors, (72), 54 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2021-11-20 06:24:48,562 INFO L704 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-11-20 06:24:48,563 INFO L587 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-11-20 06:24:48,563 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-20 06:24:48,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 72 transitions. [2021-11-20 06:24:48,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 06:24:48,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:48,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:48,564 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:48,564 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:48,565 INFO L791 eck$LassoCheckResult]: Stem: 1254#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1274#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1248#L16 assume !!(f_~k~0#1 <= 1073741823); 1249#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1267#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 1250#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1251#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1256#L6-2 assume { :end_inline___VERIFIER_assert } true; 1257#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1263#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1294#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1292#L24 assume 0 != f_~c~0#1 % 256; 1291#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1290#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1286#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1287#L24-2 [2021-11-20 06:24:48,565 INFO L793 eck$LassoCheckResult]: Loop: 1287#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1289#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1287#L24-2 [2021-11-20 06:24:48,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:48,565 INFO L85 PathProgramCache]: Analyzing trace with hash -291491368, now seen corresponding path program 3 times [2021-11-20 06:24:48,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:48,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806874047] [2021-11-20 06:24:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:48,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,575 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:48,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 4 times [2021-11-20 06:24:48,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:48,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875194827] [2021-11-20 06:24:48,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:48,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,589 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:48,592 INFO L85 PathProgramCache]: Analyzing trace with hash -950329057, now seen corresponding path program 4 times [2021-11-20 06:24:48,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:48,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929171139] [2021-11-20 06:24:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:48,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:48,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:48,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:49,109 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:49,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:49,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:49,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:49,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:49,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:49,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:49,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:49,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration10_Lasso [2021-11-20 06:24:49,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:49,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:49,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:49,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:49,458 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:49,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:49,463 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:49,467 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 [2021-11-20 06:24:49,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:49,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:49,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:49,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:49,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:49,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:49,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-20 06:24:49,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:49,492 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 06:24:49,493 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:24:49,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:49,494 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:49,495 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:49,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-20 06:24:49,503 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:49,503 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:49,503 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-11-20 06:24:49,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-11-20 06:24:49,525 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:49,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:49,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:49,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:49,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:49,713 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:49,714 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:49,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 80 transitions. Complement of second has 6 states. [2021-11-20 06:24:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-20 06:24:49,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:49,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:49,753 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:24:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:49,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:49,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:49,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:49,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:49,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:49,972 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:49,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:50,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 80 transitions. Complement of second has 6 states. [2021-11-20 06:24:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-20 06:24:50,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:50,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:50,007 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:24:50,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:50,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:50,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:50,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:50,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:50,217 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:50,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:50,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 85 transitions. Complement of second has 5 states. [2021-11-20 06:24:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2021-11-20 06:24:50,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:50,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:50,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 18 letters. Loop has 2 letters. [2021-11-20 06:24:50,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:50,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 4 letters. [2021-11-20 06:24:50,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:50,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 85 transitions. [2021-11-20 06:24:50,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:24:50,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 29 states and 37 transitions. [2021-11-20 06:24:50,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 06:24:50,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 06:24:50,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-11-20 06:24:50,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:24:50,261 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 06:24:50,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-11-20 06:24:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-20 06:24:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2021-11-20 06:24:50,263 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 06:24:50,264 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 06:24:50,264 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-20 06:24:50,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2021-11-20 06:24:50,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:24:50,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:50,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:50,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:50,265 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:50,265 INFO L791 eck$LassoCheckResult]: Stem: 1721#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1722#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1731#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1714#L16-1 assume !!(f_~k~0#1 <= 1073741823); 1715#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1732#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 1723#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1712#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 1713#L6-5 assume { :end_inline___VERIFIER_assert } true; 1716#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1717#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1740#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1733#L24-3 assume 0 != f_~c~0#1 % 256; 1734#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1738#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1736#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1728#L24-5 [2021-11-20 06:24:50,266 INFO L793 eck$LassoCheckResult]: Loop: 1728#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1727#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1728#L24-5 [2021-11-20 06:24:50,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1841849976, now seen corresponding path program 3 times [2021-11-20 06:24:50,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:50,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776242172] [2021-11-20 06:24:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:50,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,274 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:50,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:50,284 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 3 times [2021-11-20 06:24:50,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:50,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310582055] [2021-11-20 06:24:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:50,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,287 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:50,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash 491303967, now seen corresponding path program 4 times [2021-11-20 06:24:50,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:50,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387599996] [2021-11-20 06:24:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:50,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:50,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:50,759 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:50,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:50,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:50,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:50,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:24:50,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:50,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:50,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:50,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration11_Lasso [2021-11-20 06:24:50,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:50,760 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:50,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:50,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:51,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:51,066 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:24:51,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:51,067 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:51,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-20 06:24:51,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:24:51,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:24:51,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:24:51,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:24:51,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:24:51,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:24:51,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:24:51,102 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:24:51,112 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:24:51,112 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-20 06:24:51,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:51,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:51,118 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:51,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:24:51,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-20 06:24:51,137 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:24:51,137 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:24:51,137 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-11-20 06:24:51,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:51,159 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 06:24:51,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:51,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:51,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 45 transitions. Complement of second has 6 states. [2021-11-20 06:24:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 06:24:51,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:51,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:51,426 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:24:51,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:51,620 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:51,620 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,651 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 45 transitions. Complement of second has 6 states. [2021-11-20 06:24:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 06:24:51,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:51,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:51,653 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:24:51,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:51,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:51,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:24:51,864 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:24:51,864 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 5 states. [2021-11-20 06:24:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:24:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:24:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-20 06:24:51,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:24:51,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:51,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 18 letters. Loop has 2 letters. [2021-11-20 06:24:51,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:51,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2021-11-20 06:24:51,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:24:51,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2021-11-20 06:24:51,894 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:24:51,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2021-11-20 06:24:51,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:24:51,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:24:51,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:24:51,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:24:51,894 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:24:51,894 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:24:51,894 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:24:51,895 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-20 06:24:51,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:24:51,895 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:24:51,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:24:51,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:24:51 BoogieIcfgContainer [2021-11-20 06:24:51,905 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:24:51,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:24:51,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:24:51,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:24:51,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:33" (3/4) ... [2021-11-20 06:24:51,909 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:24:51,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:24:51,911 INFO L158 Benchmark]: Toolchain (without parser) took 18995.48ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 57.0MB in the beginning and 49.3MB in the end (delta: 7.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-20 06:24:51,911 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:51,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.67ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 87.2MB in the end (delta: -30.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:24:51,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.69ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:24:51,913 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.9MB in the end (delta: 858.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:51,913 INFO L158 Benchmark]: RCFGBuilder took 314.54ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 74.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:24:51,914 INFO L158 Benchmark]: BuchiAutomizer took 18356.79ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 74.7MB in the beginning and 50.4MB in the end (delta: 24.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2021-11-20 06:24:51,914 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 134.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:51,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.67ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 87.2MB in the end (delta: -30.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.69ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.9MB in the end (delta: 858.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.54ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 74.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 18356.79ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 74.7MB in the beginning and 50.4MB in the end (delta: 24.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 134.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (1 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.2s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 14.7s. Construction of modules took 0.2s. Büchi inclusion checks took 3.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 7. Automata minimization 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 55 states and ocurred in iteration 9. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 450 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 450 mSDsluCounter, 411 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 292 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital101 mio100 ax100 hnf100 lsp24 ukn88 mio100 lsp100 div343 bol100 ite100 ukn100 eq148 hnf46 smp87 dnf100 smp100 tf102 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:24:51,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:52,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b79264a-554b-444a-8eaf-8419696f8bed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE